.pre-loader {
    width: 100vw;
    height: 100vh;
    background-color: #F9FBFF;
    z-index: 1000;
    position: fixed;
    top: 0;
    left: 0;
}

.pre-loader .boxes {
    --size: 32px;
    --duration: 800ms;
    height: calc(var(--size) * 2);
    width: calc(var(--size) * 3);
    position: relative;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
    -webkit-transform: rotateX(60deg) rotateZ(45deg) rotateY(0deg) translateZ(0px);
    transform: rotateX(60deg) rotateZ(45deg) rotateY(0deg) translateZ(0px);
    position: absolute;
    top: 50vh;
    right: 50vw;
    left: 50vw;
    margin-top: calc(var(--size) * -3);
    margin-left: calc(var(--size) * -1.5);
    z-index: 100;
}

.pre-loader .boxes .box {
    width: var(--size);
    height: var(--size);
    top: 0;
    left: 0;
    position: absolute;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.pre-loader .boxes .box:nth-child(1) {
    -webkit-transform: translate(100%, 0);
    transform: translate(100%, 0);
    -webkit-animation: box1 var(--duration) linear infinite;
    animation: box1 var(--duration) linear infinite;
}

.pre-loader .boxes .box:nth-child(2) {
    -webkit-transform: translate(0, 100%);
    transform: translate(0, 100%);
    -webkit-animation: box2 var(--duration) linear infinite;
    animation: box2 var(--duration) linear infinite;
}

.pre-loader .boxes .box:nth-child(3) {
    -webkit-transform: translate(100%, 100%);
    transform: translate(100%, 100%);
    -webkit-animation: box3 var(--duration) linear infinite;
    animation: box3 var(--duration) linear infinite;
}

.pre-loader .boxes .box:nth-child(4) {
    -webkit-transform: translate(200%, 0);
    transform: translate(200%, 0);
    -webkit-animation: box4 var(--duration) linear infinite;
    animation: box4 var(--duration) linear infinite;
}

.pre-loader .boxes .box>div {
    --background: #759b43;
    --top: auto;
    --right: auto;
    --bottom: auto;
    --left: auto;
    --translateZ: calc(var(--size) / 2);
    --rotateY: 0deg;
    --rotateX: 0deg;
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--background);
    top: var(--top);
    right: var(--right);
    bottom: var(--bottom);
    left: var(--left);
    -webkit-transform: rotateY(var(--rotateY)) rotateX(var(--rotateX)) translateZ(var(--translateZ));
    transform: rotateY(var(--rotateY)) rotateX(var(--rotateX)) translateZ(var(--translateZ));
}

.pre-loader .boxes .box>div:nth-child(1) {
    --top: 0;
    --left: 0;
}

.pre-loader .boxes .box>div:nth-child(2) {
    --background: #79bd21;
    --right: 0;
    --rotateY: 90deg;
}

.pre-loader .boxes .box>div:nth-child(3) {
    --background: #79bd21;
    --rotateX: -90deg;
}

.pre-loader .boxes .box>div:nth-child(4) {
    --background: #DBE3F4;
    --top: 0;
    --left: 0;
    --translateZ: calc(var(--size) * 3 * -1);
}

@-webkit-keyframes box1 {

    0%,
    50% {
        -webkit-transform: translate(100%, 0);
        transform: translate(100%, 0);
    }

    100% {
        -webkit-transform: translate(200%, 0);
        transform: translate(200%, 0);
    }
}

@keyframes box1 {

    0%,
    50% {
        -webkit-transform: translate(100%, 0);
        transform: translate(100%, 0);
    }

    100% {
        -webkit-transform: translate(200%, 0);
        transform: translate(200%, 0);
    }
}

@-webkit-keyframes box2 {
    0% {
        -webkit-transform: translate(0, 100%);
        transform: translate(0, 100%);
    }

    50% {
        -webkit-transform: translate(0, 0);
        transform: translate(0, 0);
    }

    100% {
        -webkit-transform: translate(100%, 0);
        transform: translate(100%, 0);
    }
}

@keyframes box2 {
    0% {
        -webkit-transform: translate(0, 100%);
        transform: translate(0, 100%);
    }

    50% {
        -webkit-transform: translate(0, 0);
        transform: translate(0, 0);
    }

    100% {
        -webkit-transform: translate(100%, 0);
        transform: translate(100%, 0);
    }
}

@-webkit-keyframes box3 {

    0%,
    50% {
        -webkit-transform: translate(100%, 100%);
        transform: translate(100%, 100%);
    }

    100% {
        -webkit-transform: translate(0, 100%);
        transform: translate(0, 100%);
    }
}

@keyframes box3 {

    0%,
    50% {
        -webkit-transform: translate(100%, 100%);
        transform: translate(100%, 100%);
    }

    100% {
        -webkit-transform: translate(0, 100%);
        transform: translate(0, 100%);
    }
}

@-webkit-keyframes box4 {
    0% {
        -webkit-transform: translate(200%, 0);
        transform: translate(200%, 0);
    }

    50% {
        -webkit-transform: translate(200%, 100%);
        transform: translate(200%, 100%);
    }

    100% {
        -webkit-transform: translate(100%, 100%);
        transform: translate(100%, 100%);
    }
}

@keyframes box4 {
    0% {
        -webkit-transform: translate(200%, 0);
        transform: translate(200%, 0);
    }

    50% {
        -webkit-transform: translate(200%, 100%);
        transform: translate(200%, 100%);
    }

    100% {
        -webkit-transform: translate(100%, 100%);
        transform: translate(100%, 100%);
    }
}

.pre-loader html {
    -webkit-font-smoothing: antialiased;
}

.pre-loader * {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.pre-loader *:before,
.pre-loader *:after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.pre-loader body {
    min-height: 100vh;
    font-family: Roboto, Arial;
    color: #ADAFB6;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    background: #F9FBFF;
}

.pre-loader body .dribbble {
    position: fixed;
    display: block;
    right: 20px;
    bottom: 20px;
}

.pre-loader body .dribbble img {
    display: block;
    height: 28px;
}