.asc{
    margin-right:5px;
}


.asc,.desc{
    border-radius: 50%;
    width: 20px;
    height:20px;
    display: inline-block;
    text-align:center;
    cursor:pointer;
}
.asc:hover,.desc:hover{
    background-color: #337ab7;
    color:white;
}

td, td *{
    position: relative;
}

.percentageBar{
    position: absolute;
    height: 100%;
    top: 0;
    left: 0;
    background: lightgreen;
    transition: all 0.3s;
}