.smoothscroll-top{
    position: fixed;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    text-align: center;
    z-index: 99;
    background-color: #ff4444;
    border: 1px solid #ff4444;
    color: #fff;
    width: 47px;
    height: 47px;
    line-height: 40px;
    right: 25px;
    bottom: -25px;
    transition: all 0.5s ease-in-out;
    transition-delay: 0.2s;
    box-shadow: 4px 4px 15px rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.smoothscroll-top:hover{
    background-color: #fff;
    color: #ff4444;
    border: 1px solid #ff4444;
    transition: all 0.2s ease-in-out;
    transition-delay: 0s;
}

.smoothscroll-top.show{
    visibility: visible;
    cursor: pointer;
    opacity: 1;
    bottom: 25px;
}