selector h2:before
{
    position: absolute;
    content: "";
    background-color: red;
    width: 100px;
    height: 5px;
    top:30px;
    right: 0;
    
}

selector h2:after
{
    position: absolute;
    content: "";
    background-color: red;
    width: 5px;
    height: 5px;
    top:30px;
    right: 105px;
    transition: all .2s
    
}

selector h2:hover:after
{
    width: 50px
}