.scroll-top-wrapper {
    position: fixed;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    text-align: center;
    z-index: 99999999;
    background-color: #777777;
    color: #eeeeee;
    width: 50px;
    height: 48px;
    line-height: 48px;
    right: 30px;
    bottom: 30px;
    padding-top: 2px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
    border-bottom-left-radius: 10px;
    -webkit-transition: all 0.5s ease-in-out;
    -moz-transition: all 0.5s ease-in-out;
    -ms-transition: all 0.5s ease-in-out;
    -o-transition: all 0.5s ease-in-out;
    transition: all 0.5s ease-in-out;
}
.scroll-top-wrapper:hover {
    background-color: #ff214f;
}
.scroll-top-wrapper.show {
    visibility:visible;
    cursor:pointer;
    opacity: 1.0;
}
.scroll-top-wrapper i.fa {
    line-height: inherit;
}