.loader {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    background: url('../img/loader.svg') 50% 50% no-repeat $light;
    z-index: 99;
    background-size: 4rem;
}

.scrollUp {
    position: fixed;
    bottom: 10px;
    right: 10px;
    z-index: 999;
    font-size: 1.2rem;
    padding: 3px 10px;
    outline: none;
    display: none;
}