.K{
overflow:hidden;
position:relative;
left:10px;
top:12.5px;
width:80px;
height:125px;
border-left:solid 16px#000000}

.K::before{
position:absolute;
background-color:#000000;
content:'';
left:16px;
top:0;
width:19px;
height:84px;
-webkit-transform:skew(-43deg,0);
-moz-transform:skew(-43deg,0);
-ms-transform:skew(-43deg,0);
-o-transform:skew(-43deg,0);
transform:skew(-43deg,0)}

.K::after{
position:absolute;
background-color:#000000;
content:'';
right:25px;
bottom:0;
width:18px;
height:80px;
-webkit-transform:skew(30deg,0);
-moz-transform:skew(30deg,0);
-ms-transform:skew(30deg,0);
-o-transform:skew(30deg,0);
transform:skew(30deg,0)}