Код HTML

<div class="preloader">
    <div class="loader">
        <div>G</div>
        <div>N</div>
        <div>I</div>
        <div>D</div>
        <div>A</div>
        <div>O</div>
        <div>L</div>
    </div>
</div>

Код CSS

.preloader {
    background: #000;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

.loader {
    position: absolute;
    width: 600px;
    height: 36px;
    left: 50%;
    top: 50%;
    margin-left: -300px;
    overflow: visible;
    user-select: none;
    cursor: default;
}

.loader div {
    position: absolute;
    width: 20px;
    height: 36px;
    opacity: 0;
    font-family: Helvetica, Arial, sans-serif;
    animation: move 2s linear infinite;
    transform: rotate(180deg);
    color: #35C4F0;
}

.loader div:nth-child(2) {
    animation-delay: 0.2s;
}

.loader div:nth-child(3) {
    animation-delay: 0.4s;
}

.loader div:nth-child(4) {
    animation-delay: 0.6s;
}

.loader div:nth-child(5) {
    animation-delay: 0.8s;
}

.loader div:nth-child(6) {
    animation-delay: 1s;
}

.loader div:nth-child(7) {
    animation-delay: 1.2s;
}

@keyframes move {
    0% {
        left: 0;
        opacity: 0;
    }
    35% {
        left: 41%;
        transform: rotate(0deg);
        opacity: 1;
    }
    65% {
        left: 59%;
        transform: rotate(0deg);
        opacity: 1;
    }
    100% {
        left: 100%;
        transform: rotate(-180deg);
        opacity: 0;
    }
}

Код JavaScript

$(window).on('load', function() {
  $('.loader').delay(2000).fadeOut();
  $('.preloader').delay(2000).fadeOut('slow');
})