.loader{
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #cfcbcb;
    transition: opacity 3.75s, visibility 1.5s;
}

.loader--hidden{
    opacity: 0;
    visibility: hidden;
}

.loader::after {
    content: " ";
    width: 75px;
    height: 75px;
    border: 15px solid #dddddd;
    border-top-color: #4935b9;
    border-radius: 60%;
    animation:loading 3.2s ease infinite;
}
@keyframes loading {
    from{ transform: rotate(0turn)}
    to{transform: rotate(5turn)}
}
/* END LOADER CSS */