update docs css

docs/style.css

@@ -131,19 +131,17 @@ a.Brand {
     padding-top: 6em;
 }
 
+/**
 h1::before{color: #aaa;content: 'h1: ';}
 h2::before{color: #aaa;content: 'h2: ';}
 h3::before{color: #aaa;content: 'h3: ';}
 h4::before{color: #aaa;content: 'h4: ';}
 h5::before{color: #aaa;content: 'h5: ';}
 h6::before{color: #aaa;content: 'h6: ';}
-
-h1::before{color: #aaa;content: '';}
+*/
 h2::before{color: #888;content: ': : ';}
-h3::before{color: #aaa;content: '> ';}
-h4::before{color: #aaa;content: '_ ';}
-h5::before{color: #aaa;content: 'h5: ';}
-h6::before{color: #aaa;content: 'h6: ';}
+h3::before{color: #ccc;content: '> ';}
+h4::before{color: #ccc;content: '_ ';}
 
 .s-content h1::before{
     color: #f00;