<style>
#t {
width: 400px;
height: 400px;
border: double rgba(255,0,0,1);
border-width: 94px 80px 94px 80px;
border-radius: 164px / 82px;
border-left-color: rgba(0,0,255,1);
border-bottom-color: rgba(0,128,0,0.5);
border-right-color: rgba(0,128,0,0.5);
-moz-box-sizing: border-box;
box-sizing: border-box;
margin: 20px;
}
div {
margin: 10px 0;
}
</style>
<div id="t"></div>