minio/browser/release/loader.css

.page-load {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: #002a37;
    z-index: 100;
    transition: opacity 200ms;
    -webkit-transition: opacity 200ms;
}

.pl-0{
    opacity: 0;
}

.pl-1 {
    display: none;
}

.pl-inner {
    position: absolute;
    width: 100px;
    height: 100px;
    left: 50%;
    margin-left: -50px;
    top: 50%;
    margin-top: -50px;
    text-align: center;
    -webkit-animation: fade-in 500ms;
    animation: fade-in 500ms;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
    animation-delay: 350ms;
    -webkit-animation-delay: 350ms;
    -webkit-backface-visibility: visible;
    backface-visibility: visible;
}

.pl-inner:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    display: block;
    -webkit-animation: spin 1000ms infinite linear;
    animation: spin 1000ms infinite linear;
    border: 1px solid rgba(255, 255, 255, 0.2);;
    border-left-color: #fff;
    border-radius: 50%;
}

.pl-inner > img {
    width: 30px;
    margin-top: 21px;
}

@-webkit-keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}