.D{
position:relative;
left:10px;
top:12.5px;
border-left:solid 15px#000000;
height:125px}

.D::before{
position:absolute;
content:'';
left:0;
top:0;
width:60px;
height:95px;
border-width:15px15px15px0;
border-color:#000000;
border-style:solid;
border-radius:0 300%300%0 /0 180%180%0}