.back-to-top-button {
    display: none;
    cursor: pointer;
    font-weight: 700;
    background: #fff;
    text-align: center;
    width: 48px;
    height: 48px;
    position: fixed;
    right: 32px;
    bottom: 32px;
    user-select: none;
    box-shadow: 0 6.4px 12.8px -1.6px rgba(0, 32, 128, .15);
    transition: all .2s ease-out;
    z-index: 1;
    border: 1px solid rgba(0, 32, 128, .1);
    outline: 0;
    color: inherit;
}

.back-to-top-button:hover {
    transform: scale(1.2);
    box-shadow: 0 12.8px 25.6px -3.2px rgba(0,32,128,.15);
    color: #E94709;
}

.back-to-top-button > svg {
    margin-top: 9px;
}  