a.scrollhoch {
    bottom: 90px;
    cursor: pointer;
    position: fixed;
    width: 60px;
    height: 30px;
    z-index: 10;
    font-size: 13px;
    transition: all 0.3s ease-in-out;
    opacity: 0.7;
}

a, span {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-weight: inherit;
    font-style: inherit;
    font-size: 100%;
    vertical-align: baseline;
    color: #000000;
}

a.scrollhoch span img:hover {
    transition: all 0.3s ease-in-out;
    opacity: 0.5;
}