UNEVEN BORDER

<style>
#unevenscroll {
height: 200px;
width: 100%;
padding: 10px;
overflow: auto;
border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
border: 3px solid #737373;
background-color: #fff;
text-shadow: -1px 0 #000, 0 1px #000, 1px 0 #000, 0 -1px #000, 0 0;
font-size:125%;
color: #fff;
}

</style>
<div id="unevenscroll">
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</div>