diff --git a/main.css b/main.css
index adae330..1a65bfd 100644
--- a/main.css
+++ b/main.css
@@ -1,99 +1,84 @@
-html,body { height:100% }
-html { font-size:14px }
-header {position: relative}
-header hr {display:none}
-body {
-margin:.2rem;
+html,body{height:100%}
+html{font-size:14px}
+header{position:relative}
+header hr{display:none}
+body{
 max-width:54rem;
-padding:0 .62rem;
-font:1.2rem/1.62 sans-serif
-}
-nav>a {
+margin:.2rem;padding:0 .62rem;
+font:1.2rem/1.62 sans-serif;
+display:-webkit-flex;display:-ms-flexbox;display:flex;
+flex-direction:column}
+main{flex:1 0 auto}
+nav>a{
 padding:.2rem 0;
 display:block;
-border-top:1px dotted #000
-}
-nav>a:first-child {border:none}
+border-top:1px dotted #000}
+nav>a:first-child{border:none}
 
-h1,h2,h3,h4,h5,h6 { line-height:1 }
-header h1 { margin: 1.4rem auto 1.2rem; margin-right: 52px }
+h1,h2,h3,h4,h5,h6{line-height:1}
+header h1{margin:1.4rem 52px 1.2rem auto}
 
-a { text-decoration:none }
-a:link,a:visited { color:#087CA7 }
-a:hover,a:visited:hover { color:#09B2DC }
+a{text-decoration:none}
+a:link,a:visited{color:#087CA7}
+a:hover,a:visited:hover{color:#09B2DC}
 
-ul {
-padding-left:0; margin-left:0;
-list-style-position:inside
-}
-ul li{ margin: 0.35rem }
-li>ul { margin-left:1em }
+ul{padding-left:0;margin-left:0;list-style:inside}
+ul li{margin:.35rem}
+li>ul{margin-left:1em}
 
-.tag {
-font-size:.8rem;
+.tag{
+font-size:.8rem;vertical-align:middle;
 padding:.2rem;border-radius:.33rem;
-background-color:#191919;color:#FFF;
-vertical-align:middle
-}
-
+background:#191919;color:#FFF}
 pre{
-background-color: #191919;color: #FFF;
-white-space: pre-wrap;overflow-x: auto;
-padding: 12px; border: 1px solid #FFF;
-}
+background:#191919;color:#FFF;
+white-space:pre-wrap;overflow-x:auto;
+padding:12px;border:1px solid #FFF}
+footer p{margin:0}
 
-table{text-align: left;width: 100%;border-collapse: collapse}
-td, th{border: 1px solid #222;padding: 9px 6px}
-th{padding: 12px;color: white}
-thead th{ background-color: #191919 }
-tbody th{ background-color: #292929 }
-tr:nth-child(even){ background-color: #FEFEFE }
-tr:hover{ background-color: #DEDEDE }
+table{text-align:left;width:100%;border-collapse:collapse}
+td,th{border:1px solid #222;padding:9px 6px}
+th{padding:12px;color:#FFF}
+thead th{background:#191919}
+tbody th{background:#292929}
+tr:nth-child(even){background:#FEFEFE}
+tr:hover{background:#DEDEDE}
 
-.burger-container {
-position: absolute;height: 24px;width: 30px;
-cursor: pointer;top: 34px;right: 10px}
-#burger-toggle {display: none}
-.burger,.burger::after,.burger::before {
-position: absolute;background-color: #000;
-height: 4px;width: 30px;border-radius: 2px;content:"";
-transition: transform 300ms cubic-bezier(0.4, 1, 0.5, 1)}
-.burger::before {margin-top: -8px}
-.burger::after {margin-top: 8px}
-#burger-toggle~nav {display:none;}
-#burger-toggle:checked~nav {display:block;}
-#burger-toggle:checked+.burger-container .burger::before{margin-top:0px;transform:rotate(45deg)}
-#burger-toggle:checked+.burger-container .burger::after{margin-top:0px;transform:rotate(-45deg)}
+.burger-container{
+position:absolute;height:24px;width:30px;
+cursor:pointer;top:34px;right:10px}
+#burger-toggle,#burger-toggle~nav{display:none}
+.burger,.burger::after,.burger::before{
+position:absolute;background:#000;
+height:4px;width:30px;border-radius:2px;content:"";
+transition:transform 300ms cubic-bezier(.4,1,.5,1)}
+.burger::before{margin-top:-8px}
+.burger::after{margin-top:8px}
+#burger-toggle:checked~nav{display:block}
+#burger-toggle:checked+.burger-container .burger::before{margin-top:0;transform:rotate(45deg)}
+#burger-toggle:checked+.burger-container .burger::after{margin-top:0;transform:rotate(-45deg)}
 #burger-toggle:checked+.burger-container .burger{background:rgba(255,255,255,0)}
 
-footer p { margin:0 }
-body {
-display:-webkit-flex;display:-ms-flexbox;display:flex;
-flex-direction:column
-}
-main { flex:1 0 auto }
-
-@media print {body {max-width:none}}
-@media (min-width: 720px) {
- body { margin:.2rem auto; }
- nav>a { margin-left:2rem; padding: auto; display: inline; border: none }
- nav>a:first-child { padding:1rem 0; padding-left:0; margin-left:0 }
- ul li{ margin: auto }
- .burger-container {display: none}
- #burger-toggle~nav {display: block}
- header hr {display: block}
+@media print{body{max-width:none}}
+@media(min-width:720px){
+ body{margin:.2rem auto}
+ nav>a{margin-left:2rem;padding:auto;display:inline;border:none}
+ nav>a:first-child{padding:1rem 0;margin-left:0}
+ ul li{margin:auto}
+ .burger-container{display:none}
+ #burger-toggle~nav,header hr{display:block}
 }
-@media (max-width:320px) {
+@media(max-width:320px){
  #burger-toggle~nav{display:block}
  .burger-container{display:none}
  header h1{margin-right:auto}
 }
-@media (prefers-color-scheme: dark) {
- body { color:#FFF; background:#191919 }
- a:link,a:visited {color:#9CF}
- a:hover,a:visited:hover {color:#DA4167}
- nav>a { border-color:#FFF }
- .tag {background-color:#FFF;color:#000}
- .burger,.burger::after,.burger::before {background:#FFF}
+@media(prefers-color-scheme:dark){
+ body{color:#FFF;background:#191919}
+ a:link,a:visited{color:#9CF}
+ a:hover,a:visited:hover{color:#DA4167}
+ nav>a{border-color:#FFF}
+ .tag{background:#FFF;color:#000}
+ .burger,.burger::after,.burger::before{background:#FFF}
 }