#toTop{
    position: fixed;
    bottom: 20px;
    right: 10px;
    width: 50px;
    height: 50px;
    background-image: url(images/totop.png);
    background-size: 70%;
    background-repeat: no-repeat;
    background-position: center;
    background-color: #016BA5;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s ;
}
#toTop:active{
    transform: translateY(10px);
    box-shadow: none;
}