@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_AMS-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_AMS-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_AMS-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Caligraphic-Bold.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Caligraphic-Bold.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Caligraphic-Bold.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Caligraphic-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Caligraphic-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Caligraphic-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Fraktur-Bold.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Fraktur-Bold.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Fraktur-Bold.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Fraktur-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Fraktur-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Fraktur-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-Bold.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-Bold.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-Bold.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-BoldItalic.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-BoldItalic.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-BoldItalic.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-Italic.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-Italic.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-Italic.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Main-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Math-BoldItalic.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Math-BoldItalic.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Math-BoldItalic.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Math-Italic.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Math-Italic.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Math-Italic.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_SansSerif-Bold.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_SansSerif-Bold.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_SansSerif-Bold.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_SansSerif-Italic.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_SansSerif-Italic.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_SansSerif-Italic.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_SansSerif-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_SansSerif-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_SansSerif-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Script-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Script-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Script-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size1-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size1-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size1-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size2-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size2-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size2-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size3-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size3-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size3-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size4-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size4-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Size4-Regular.ttf) format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(https://cdn.blot.im/plugins/katex/files/KaTeX_Typewriter-Regular.woff2) format("woff2"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Typewriter-Regular.woff) format("woff"),url(https://cdn.blot.im/plugins/katex/files/KaTeX_Typewriter-Regular.ttf) format("truetype")}.katex{text-rendering:auto;font:normal 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.3"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.27777778em;margin-right:-.55555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.83333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.71428571em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.85714286em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14285714em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571429em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857143em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71428571em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714286em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857143em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96285714em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55428571em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.55555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.66666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.77777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.88888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.41666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.58333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.66666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.83333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.34722222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.41666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.48611111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.55555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.69444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.83333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44027778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.28935185em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.34722222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.40509259em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.46296296em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.52083333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.69444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.83333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023148em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981481em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108004em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.28929605em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.33751205em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.38572806em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.43394407em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216008em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.57859209em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.69431051em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.83317261em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961427em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.20096463em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.24115756em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.28135048em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.32154341em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.36173633em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.40192926em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.48231511em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.57877814em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.69453376em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.83360129em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}blockquote.twitter-tweet{display:block;width:500px;padding:0;max-width:100%;box-sizing:border-box;margin:1em 0;border-radius:5px;border:1px solid #e1e8ed;padding:32px 16px 32px;background:#fff;color:#aaa;font:normal 12px/1.33 "Helvetica Neue",sans-serif}blockquote.twitter-tweet p{color:#292f33;font:inherit;margin:36px 0 12px}.videoContainer{position:relative;height:0;overflow:hidden}.videoContainer.fourthree{padding-bottom:70%}.videoContainer.widescreen{padding-bottom:56.25%}.videoContainer embed,.videoContainer iframe,.videoContainer object{position:absolute;top:0;left:0;width:100%;height:100%;margin:0!important}.hljs{background:#fff;color:#434f54}.hljs-subst{color:#434f54}.hljs-attribute,.hljs-doctag,.hljs-keyword,.hljs-name,.hljs-selector-tag{color:#00979d}.hljs-addition,.hljs-built_in,.hljs-bullet,.hljs-code,.hljs-literal{color:#d35400}.hljs-link,.hljs-regexp,.hljs-selector-attr,.hljs-selector-pseudo,.hljs-symbol,.hljs-template-variable,.hljs-variable{color:#00979d}.hljs-deletion,.hljs-quote,.hljs-selector-class,.hljs-selector-id,.hljs-string,.hljs-template-tag,.hljs-type{color:#005c5f}.hljs-comment{color:rgba(149,165,166,.8)}.hljs-meta .hljs-keyword{color:#728e00}.hljs-meta{color:#434f54}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}.hljs-function{color:#728e00}.hljs-section,.hljs-title{color:#800;font-weight:700}.hljs-number{color:#8a7b52}pre code.hljs{display:block;overflow:auto;padding:1em;margin:1em 0;white-space:pre-wrap;white-space:-moz-pre-wrap;white-space:-pre-wrap;white-space:-o-pre-wrap;word-wrap:break-word}.hljs,code.hljs{padding:0;margin:0}:root{--font-family:-apple-system,BlinkMacSystemFont,'avenir next',avenir,'helvetica neue',helvetica,ubuntu,roboto,noto,'segoe ui',arial,sans-serif;--font-size:15px;--line-height:1.6;--background-color:#fff;--text-color:#000;--off-background-color:rgba(0, 0, 0, 0.08);--light-text-color:rgba(0, 0, 0, 0.3333);--medium-text-color:rgba(0, 0, 0, 0.6666);--link-color:#000}@media (prefers-color-scheme:dark){:root{--background-color:#111;--off-background-color:rgba(238, 238, 238, 0.08);--text-color:#eee;--light-text-color:rgba(238, 238, 238, 0.3333);--medium-text-color:rgba(238, 238, 238, 0.6666);--link-color:#eee}}body,html{width:100%;padding:0;max-width:40em;margin:0 auto;-webkit-font-smoothing:antialiased;color:var(--text-color);background:var(--background-color);font-family:var(--font-family);font-size:var(--font-size);line-height:var(--line-height)}body{padding:clamp(1.6em,calc((100vw - 40em)/ 2),4.8em) 2em;box-sizing:border-box}ol,ul{padding:0}ul{list-style-type:circle}a{color:var(--link-color);text-decoration:none}a:hover{text-decoration:underline}h1{margin-bottom:0;font-size:1.33333333em}h2{font-size:100%;font-weight:600;margin:4em 0 0 0}h2 a{display:inline-block;margin-right:2em;padding-bottom:.5em;color:var(--light-text-color);font-weight:400;margin-bottom:1em}h2 a:hover{text-decoration:none}h2 a.selected{border-bottom:1px solid var(--link-color);color:var(--link-color)}.header h1+p{margin-top:0;margin-bottom:0;color:var(--medium-text-color)}.header h1+p+ul{display:flex;list-style-type:none;margin:.5em 0;padding:0;margin-bottom:3em}.header h1+p+ul li{margin-right:.5em}.header h1+p+ul li a{font-size:.8em;background:var(--off-background-color);color:var(--medium-text-color);display:block;border-radius:1em;padding:.25em .75em}.header.subpage a:hover{text-decoration:none}.header.subpage ul{display:none!important}.header.subpage h1{font-size:15px;color:var(--light-text-color);font-weight:400}.header.subpage h1+p{display:none}.header.subpage p:first-of-type img{width:3em;height:3em;float:none;font-size:18px}.header p:first-of-type img{max-width:100%;width:6.13333333em;height:6.13333333em;border-radius:50%;float:left;margin-right:1.333em}span.caption{display:none}h3{color:var(--light-text-color);font-size:15px;font-weight:400}.subheading-column h3{display:flex;position:relative;margin:0 0 .75em 0;float:left}.subheading-column h3~p,.subheading-column h3~ul{margin-left:8em;color:var(--medium-text-color)}@media (max-width:600px){.subheading-column h3{display:block;float:none;margin-left:0}.subheading-column h3~p,.subheading-column h3~ul{margin-left:0}}.entry img,p img{max-width:100%;width:100%;height:auto}.subheading-column h3~p img{max-height:6em;width:auto;border-radius:.25em;margin-right:.75em;margin-bottom:.5em;display:inline-block}.subheading-column h3+p{color:#000}.subheading-column h3,.subheading-column h3+p{padding-top:1.6em;margin-top:0;margin-bottom:0}.subheading-column h3+p+p,.subheading-column h3+p+ul{margin-top:0}kbd{background:var(--off-background-color);color:var(--medium-text-color);padding:.1em .25em;border-radius:.25em;font-size:.9em}.arrow-after-link h3+p a:after{content:"→";width:1.25em;height:1.25em;line-height:1.25;font-size:.8em;border-radius:100%;overflow:hidden;text-align:center;background:#f0f0f0;transform:rotate(-45deg);display:inline-block;text-indent:0;margin-left:6px}.arrow-after-link h3+p:hover a:after{animation:chevronLoop .4s linear}@keyframes chevronLoop{0%{text-indent:0}50%{text-indent:15px}51%{text-indent:-15px}100%{text-indent:0}}.fade-in{animation:fadeIn .5s}@keyframes fadeIn{from{opacity:0}to{opacity:1}}