style.css

@import url('https://fonts.googleapis.com/css?family=Poppins');

body
{
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
}

.col-sm-12
{
    margin-top: 1em;
}
/* Loader 1 */
.loader-1
{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    box-sizing: border-box;
    border: solid 3px #fff;
    z-index: 1001;
    animation: loader-1 2s linear infinite;
}

.loader-1::before
{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    animation: animateBg-1 2s linear infinite;
}

.loader-1.complete
{
    transition: .5s;
    opacity: 0;
}

@keyframes loader-1
{
    0%
    {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    25%
    {
        transform: translate(-50%, -50%) rotate(180deg);
    }

    50%
    {
        transform: translate(-50%, -50%) rotate(180deg);
    }

    75%
    {
        transform: translate(-50%, -50%) rotate(360deg);
    }

    100%
    {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}
@keyframes animateBg-1
{
    0%
    {
        height: 0;
    }

    25%
    {
        height: 0;
    }

    50%
    {
        height: 100%;
    }

    75%
    {
        height: 100%;
    }

    100%
    {
        height: 0;
    }
}
/* Loader 2 */

.loader-2
{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    box-sizing: border-box;
    border: solid 3px rgb(141, 141, 141);
    border-top: solid 3px #FF0000;
    border-radius: 100%;
    z-index: 1001;
    animation: loader-2 2s linear infinite;
}


.loader-2.complete
{
    transition: .5s;
    opacity: 0;
}

@keyframes loader-2
{
    0%
    {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100%
    {
        transform: translate(-50%, -50%) rotate(720deg);
    }
}

/* Loader 3 */

.loader-3
{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    box-sizing: border-box;
    border: solid 3px #000);
    border-top: solid 3px #FF0000;
    border-radius: 100%;
    z-index: 1001;
    animation: loader-3 2s linear infinite;
}

.loader-3::before
{
    content: '';
    position: absolute;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
    border: solid 3px #000);
    border-top: solid 3px #00FF00;
    border-radius: 100%;
}

.loader-3::after
{
    content: '';
    position: absolute;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
    border: solid 3px #000);
    border-top: solid 3px #0000FF;
    border-radius: 100%;
}

.loader-3.complete
{
    transition: .5s;
    opacity: 0;
}

@keyframes loader-3
{
    0%
    {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100%
    {
        transform: translate(-50%, -50%) rotate(720deg);
    }
}

/* Loader 4 */

.loader-4
{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 30px;
    z-index: 1001;
    color: white;
    font-size: 1.4em;
}

.loader-4::before
{
    content: "LOADING...";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    letter-spacing: 5px;
    height: 100%;
    color: rgb(66, 66, 66);
    overflow: hidden;
    white-space: nowrap;
}

.loader-4::after
{
    content: "LOADING...";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    letter-spacing: 5px;
    height: 100%;
    color: #fff;
    overflow: hidden;
    border-right: 1px solid #fff;
    animation: smooth_loading 10s infinite;
    white-space: nowrap;
}

@keyframes smooth_loading
{
    0%
    {
        width: 0%;
    }
    50%
    {
        width: 100%;
    }
    100%
    {
        width: 0%;
    }
}

.loader-4.complete
{
    transition: .5s;
    opacity: 0;
}

/* Loader 5 */

.loader-5
{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 30px;
    z-index: 1001;
    color: white;
    font-size: 1.4em;
}

.loader-5::before
{
    content: "LOADING...";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    letter-spacing: 5px;
    height: 100%;
    color: #000;
    overflow: hidden;
    white-space: nowrap;
}

.loader-5::after
{
    content: "LOADING...";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    letter-spacing: 5px;
    height: 100%;
    color: #fff;
    overflow: hidden;
    animation: loader5 1.5s infinite steps(3);
    white-space: nowrap;
}

@keyframes loader5
{
    0%
    {
        width: 80%;
    }
    50%
    {
        width: 100%;
    }
    100%
    {
        width: 80%;
    }
}

.loader-5.complete
{
    transition: .5s;
    opacity: 0;
}

/* Loader 6 */

.loader-6
{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    box-sizing: border-box;
    border: solid 6px #000000;
    border-bottom: solid 6px rgb(0, 162, 255);
    border-top: solid 6px rgb(0, 162, 255);
    border-radius: 100%;
    z-index: 1001;
    animation: loader-6 2s linear infinite;
}


.loader-6.complete
{
    transition: .5s;
    opacity: 0;
}

@keyframes loader-6
{
    0%
    {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100%
    {
        transform: translate(-50%, -50%) rotate(720deg);
    }
}

/* PreLoader 1 */

.preloader-1
{
    z-index: 1000;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: 1s;
}

.preloader-1::before
{
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    transition: 1s;
}

.preloader-1.complete::before
{
    opacity: 0;
}

/*PreLoader 2 */

.preloader-2
{
    z-index: 1000;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: 1s;
}

.preloader-2::before
{
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    transition: 1s;
}

.preloader-2.complete::before
{
    animation: open_up 1s ease-in-out;
}

@keyframes open_up
{
    0%
    {
        height: 100%;
    }
    100%
    {
        height: 0%;
    }
}

/* PreLoader 3 */

.preloader-3
{
    z-index: 1000;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
}

.preloader-3::before
{
    content: '';
    position: absolute;
    left: 0;
    width: 50%;
    height: 100%;
    background: #000;
}

.preloader-3::after
{
    content: '';
    position: absolute;
    right: 0;
    width: 50%;
    height: 100%;
    background: #000;
    
}

.preloader-3.complete::before
{
    animation: left_door 1s ease-in-out;
}

.preloader-3.complete::after
{
    animation: right_door 1s ease-in-out;
}

@keyframes left_door
{
    0%
    {
        width: 50%;
    }
    100%
    {
        width: 0%;
    }
}

@keyframes right_door
{
    0%
    {
        width: 50%;
    }
    100%
    {
        width: 0%;
    }
}


/* PreLoader 4 */

.preloader-4
{
    z-index: 1000;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
}

.preloader-4::before
{
    content: '';
    position: absolute;
    top: 0;
    width: 100%;
    height: 50%;
    background: #000;
}

.preloader-4::after
{
    content: '';
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 50%;
    background: #000;
}

.preloader-4.complete::before
{
    animation: open_gate_up 1s ease-in-out;
}

.preloader-4.complete::after
{
    animation: open_gate_down 1s ease-in-out;
}

@keyframes open_gate_down
{
    0%
    {
        height: 50%;
    }
    100%
    {
        height: 0%;
    }
}

@keyframes open_gate_up
{
    0%
    {
        height: 50%;
    }
    100%
    {
        height: 0%;
    }
}