item{
position:relative;
}
item:after{
position:absolute;
content:"";
height:1px;
width:30%;
border-bottom:1px solid #000;
right:0;
top:50%;
}

div {
    -webkit-user-select: none; /* Safari 3.1+ */
    -moz-user-select: none; /* Firefox 2+ */
    -ms-user-select: none; /* IE 10+ */
    user-select: none; /* Standard syntax */
}