Menu by Wim Norder (gh/twtr: @wimnorder)

dabblet.css

/**
 * Menu by Wim Norder (gh/twtr: @wimnorder)
 */

@import url(http://fonts.googleapis.com/css?family=Graduate);
@import url(http://yui.yahooapis.com/3.3.0/build/cssreset/reset-min.css);

body {
font-family:'Graduate', cursive;
}

#menu {
color: rgba(234,220,44,1);
border-radius: 5px;
width: 280px;
}

#menu ul,li {
overflow: hidden;
margin-left: 10px;
list-style:none;
line-height: 35px;
font-size: 14px;
transition: background 1s linear,color 1s,padding-left 0.4s,font-weight 1s; 
border-bottom: 1px solid rgba(235,123,12,0.4);
}

#menu ul,li:last-child {
border-bottom: 0px solid rgba(235,123,12,0.4);
}

#menu ul li:hover{
background: rgba(230,123,12,.5);
color: white;
padding-left: 14px;
font-weight: bolder;
}

.whiteBG {
background: rgb(255,255,255); /* Old browsers */
/* IE9 SVG, needs conditional override of 'filter' to 'none' */
background: url(data:image/svg+xml;base64,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);
background: -moz-linear-gradient(top, rgba(255,255,255,1) 0%, rgba(229,229,229,1) 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(255,255,255,1)), color-stop(100%,rgba(229,229,229,1))); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, rgba(255,255,255,1) 0%,rgba(229,229,229,1) 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, rgba(255,255,255,1) 0%,rgba(229,229,229,1) 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, rgba(255,255,255,1) 0%,rgba(229,229,229,1) 100%); /* IE10+ */
background: linear-gradient(top, rgba(255,255,255,1) 0%,rgba(229,229,229,1) 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#e5e5e5',GradientType=0 ); /* IE6-8 */
}

.redBG {
background: rgb(169,3,41); /* Old browsers */
/* IE9 SVG, needs conditional override of 'filter' to 'none' */
background: url(data:image/svg+xml;base64,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);
background: -moz-linear-gradient(top, rgba(169,3,41,1) 0%, rgba(143,2,34,1) 44%, rgba(109,0,25,1) 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(169,3,41,1)), color-stop(44%,rgba(143,2,34,1)), color-stop(100%,rgba(109,0,25,1))); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, rgba(169,3,41,1) 0%,rgba(143,2,34,1) 44%,rgba(109,0,25,1) 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, rgba(169,3,41,1) 0%,rgba(143,2,34,1) 44%,rgba(109,0,25,1) 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, rgba(169,3,41,1) 0%,rgba(143,2,34,1) 44%,rgba(109,0,25,1) 100%); /* IE10+ */
background: linear-gradient(top, rgba(169,3,41,1) 0%,rgba(143,2,34,1) 44%,rgba(109,0,25,1) 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#a90329', endColorstr='#6d0019',GradientType=0 ); /* IE6-8 */
}

dabblet.html

<!-- content to be placed inside <body>…</body> -->
<div id="menu" class="redBG">
<ul>
	<li>This menu item</li>
	<li>Are opensource</li>
	<li>And you can use</li>
	<li>It as you wanna</li>
</ul>
</div>

settings.json

{"view":"split-vertical","fontsize":"100","seethrough":"","prefixfree":"1","page":"css"}