.scrollToTop{
    background-color: rgba(51, 51, 51, .7);
    border: 1px solid rgba(51, 51, 51, .7);
    color: #fff;
    border-radius: 999em;
    height: 2.5em;
    width: 2.5em;
    line-height: 2.5em;
    text-decoration: none;text-align:center;
    position: fixed;
    bottom: 1.3em;
    right: 1.3em;
    display: none;
    font-size: 2em;
    z-index: 9999;
}
.scrollToTop:hover, .scrollToTop:focus{
    text-decoration: none;
    color: rgba(51, 51, 51, .7);
    background-color: rgba(255, 255, 255, .7);
    transition: .5s ease-in-out;
}
.scrollToTop span{
    margin-bottom: 5px;
}
@media screen and (max-width: 767px){
    .scrollToTop{
        font-size: 1.5em;
    }
}