@import url('https://fonts.googleapis.com/css2?family=Open+Sans&display=swap');
:root {
    --timinglayer3: 4s;
}

body {
    margin: 0;
    padding: 0;
    background-color: rgb(41, 41, 41);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    overflow-x: hidden;
    flex-flow: row wrap;
    justify-content: flex-start;
    font-family: 'Open Sans', sans-serif;
}

article {
    position: relative;
    margin: 0;
    border: 1px white solid;
    width: 100%;
    height: 50vw;
}


/*
Loader 1
*/

.loader1 .circle {
    margin: auto;
    position: absolute;
    top: 25%;
    left: calc(25% - 3px);
    border-radius: 50%;
    width: 50%;
    height: 50%;
    border: 2px solid white;
    transform: rotateX(-40deg);
    animation: loader1wave 1s ease-in-out infinite;
    box-shadow: 0 0 6px 2px rgb(136, 136, 136);
}

@keyframes loader1wave {
    0%,
    100% {
        transform: rotateX(-50deg) translateY(0);
    }
    50% {
        transform: rotateX(-50deg) translateY(25%);
    }
}

.loader1 .center1 {
    animation-delay: .1s;
    width: 50%;
    height: 50%;
    margin-left: 0;
    margin-top: 0;
}

.loader1 .center2 {
    animation-delay: .2s;
    width: 45%;
    height: 45%;
    margin-left: 2.5%;
    margin-top: 2.5%;
}

.loader1 .center3 {
    animation-delay: .3s;
    width: 40%;
    height: 40%;
    margin-left: 5%;
    margin-top: 5%;
}

.loader1 .center4 {
    animation-delay: .4s;
    width: 35%;
    height: 35%;
    margin-left: 7.5%;
    margin-top: 7.5%;
}

.loader1 .center5 {
    animation-delay: .5s;
    width: 30%;
    height: 30%;
    margin-left: 10%;
    margin-top: 10%;
}


/*
Loader 2
*/

.loader2 {
    position: relative;
}

.loader2 .text {
    letter-spacing: 0.4ch;
    display: inline-block;
    animation: loader2wave 1.4s ease-in-out infinite;
}

.loader2 p {
    font-size: 2rem;
    color: white;
    text-align: center;
    position: absolute;
    bottom: 40%;
    width: 100%;
    margin: 0;
}

@keyframes loader2wave {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-40%);
    }
}

.loader2 .letter1 {
    animation-delay: .2s;
}

.loader2 .letter2 {
    animation-delay: .4s;
}

.loader2 .letter3 {
    animation-delay: .6s;
}

.loader2 .letter4 {
    animation-delay: .8s;
}

.loader2 .letter5 {
    animation-delay: 1s;
}

.loader2 .letter6 {
    animation-delay: 1.2s;
}

.loader2 .letter7 {
    animation-delay: 1.4s;
}


/*
Loader 3
*/

.loader3 .container {
    padding-top: 45%;
    margin: auto;
    position: relative;
    width: 20%;
    height: 10%;
}

.loader3 .container div {
    background-color: white;
    width: 50%;
    height: 100%;
    display: block;
    outline: 1px solid transparent;
}

.loader3 .circle {
    border-radius: 50%;
    float: left;
    animation: layer3slide calc(var(--timinglayer3) / 2) cubic-bezier(.25, .5, .75, .5) 0s infinite;
}

.loader3 .square {
    animation: layer3slide calc(var(--timinglayer3) / 2) cubic-bezier(.25, .5, .75, .5) calc(var(--timinglayer3) / 4) infinite;
}

@keyframes layer3slide {
    0% {
        transform: translateX(0);
    }
    25% {
        transform: scale(3);
    }
    50% {
        transform: scale(1) translateX(100%);
    }
    75% {
        transform: translateX(100%);
    }
    100% {
        transform: none;
    }
}


/*
Loader 4
*/

.loader4 .container {
    padding-top: 49.5%;
    margin: auto;
    position: relative;
    width: 80%;
    height: 1%;
}

.loader4 .container .line {
    width: 100%;
    height: 100%;
    position: relative;
    background-color: yellowgreen;
}

.loader4 .container .line::before {
    content: "";
    position: absolute;
    width: 1%;
    height: 250%;
    float: left;
    background-color: yellowgreen;
    transform: translateY(-33.33%);
}

.loader4 .container .line::after {
    content: "";
    position: absolute;
    width: 1%;
    height: 250%;
    right: 0;
    background-color: yellowgreen;
    transform: translateY(-33.33%);
}

.loader4 .container .circle {
    float: left;
    width: 14.2857143%;
    height: 1142.85714%;
    margin-right: 14.2857143%;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    animation: loader4slide 1s ease-in-out 0s infinite alternate;
}

.loader4 .container .circle:last-of-type {
    margin-right: 0;
}

@keyframes loader4slide {
    0% {
        transform: translateY(10%);
    }
    100% {
        transform: translateY(-200%);
    }
}

.loader4 .container .timing1 {
    animation-delay: .2s;
}

.loader4 .container .timing2 {
    animation-delay: .4s;
}

.loader4 .container .timing3 {
    animation-delay: .6s;
}

.loader4 .container .timing4 {
    animation-delay: .8s;
}


/*
Loader 5
*/

.loader5 {
    perspective: 800px;
}

.loader5 div {
    position: relative;
    margin: auto;
    margin-top: 40%;
    width: 10%;
    height: 20%;
    font-size: 200%;
    transform-origin: bottom;
    transform-style: preserve-3d;
    animation: layer5rotation 5s linear 0s infinite;
}

.loader5 .text {
    color: white;
    position: absolute;
    width: 150%;
    height: 3%;
    top: 0;
    transform-style: preserve-3d;
    transform: rotateY(calc(var(--i) * 24deg)) translateZ(200px);
    object-fit: cover;
}

.loader5 .text:empty {
    background-color: white;
}

@keyframes layer5rotation {
    0% {
        transform: rotateY(360deg);
    }
    100% {
        transform: rotateY(0deg);
    }
}


/*
    animation: spin 5s linear 0s infinite;
    */