css3-anime/anime/loading/09/css/square-loader.css

/*!
 * Load Awesome v1.1.0 (http://github.danielcardoso.net/load-awesome/)
 * Copyright 2015 Daniel Cardoso <@DanielCardoso>
 * Licensed under MIT
 */
.la-square-loader,
.la-square-loader > div {
    position: relative;
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
}

.la-square-loader {
    display: block;
    font-size: 0;
    color: #fff;
}

.la-square-loader.la-dark {
    color: #333;
}

.la-square-loader > div {
    display: inline-block;
    float: none;
    background-color: currentColor;
    border: 0 solid currentColor;
}

.la-square-loader {
    width: 32px;
    height: 32px;
}

.la-square-loader > div {
    width: 100%;
    height: 100%;
    background: transparent;
    border-width: 2px;
    border-radius: 0;
    -webkit-animation: square-loader 2s infinite ease;
       -moz-animation: square-loader 2s infinite ease;
         -o-animation: square-loader 2s infinite ease;
            animation: square-loader 2s infinite ease;
}

.la-square-loader > div:after {
    display: inline-block;
    width: 100%;
    vertical-align: top;
    content: "";
    background-color: currentColor;
    -webkit-animation: square-loader-inner 2s infinite ease-in;
       -moz-animation: square-loader-inner 2s infinite ease-in;
         -o-animation: square-loader-inner 2s infinite ease-in;
            animation: square-loader-inner 2s infinite ease-in;
}

.la-square-loader.la-sm {
    width: 16px;
    height: 16px;
}

.la-square-loader.la-sm > div {
    border-width: 1px;
}

.la-square-loader.la-2x {
    width: 64px;
    height: 64px;
}

.la-square-loader.la-2x > div {
    border-width: 4px;
}

.la-square-loader.la-3x {
    width: 96px;
    height: 96px;
}

.la-square-loader.la-3x > div {
    border-width: 6px;
}

/*
 * Animations
 */
@-webkit-keyframes square-loader {
    0% {
        -webkit-transform: rotate(0deg);
                transform: rotate(0deg);
    }
    25% {
        -webkit-transform: rotate(180deg);
                transform: rotate(180deg);
    }
    50% {
        -webkit-transform: rotate(180deg);
                transform: rotate(180deg);
    }
    75% {
        -webkit-transform: rotate(360deg);
                transform: rotate(360deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
                transform: rotate(360deg);
    }
}
@-moz-keyframes square-loader {
    0% {
        -moz-transform: rotate(0deg);
             transform: rotate(0deg);
    }
    25% {
        -moz-transform: rotate(180deg);
             transform: rotate(180deg);
    }
    50% {
        -moz-transform: rotate(180deg);
             transform: rotate(180deg);
    }
    75% {
        -moz-transform: rotate(360deg);
             transform: rotate(360deg);
    }
    100% {
        -moz-transform: rotate(360deg);
             transform: rotate(360deg);
    }
}
@-o-keyframes square-loader {
    0% {
        -o-transform: rotate(0deg);
           transform: rotate(0deg);
    }
    25% {
        -o-transform: rotate(180deg);
           transform: rotate(180deg);
    }
    50% {
        -o-transform: rotate(180deg);
           transform: rotate(180deg);
    }
    75% {
        -o-transform: rotate(360deg);
           transform: rotate(360deg);
    }
    100% {
        -o-transform: rotate(360deg);
           transform: rotate(360deg);
    }
}
@keyframes square-loader {
    0% {
        -webkit-transform: rotate(0deg);
           -moz-transform: rotate(0deg);
             -o-transform: rotate(0deg);
                transform: rotate(0deg);
    }
    25% {
        -webkit-transform: rotate(180deg);
           -moz-transform: rotate(180deg);
             -o-transform: rotate(180deg);
                transform: rotate(180deg);
    }
    50% {
        -webkit-transform: rotate(180deg);
           -moz-transform: rotate(180deg);
             -o-transform: rotate(180deg);
                transform: rotate(180deg);
    }
    75% {
        -webkit-transform: rotate(360deg);
           -moz-transform: rotate(360deg);
             -o-transform: rotate(360deg);
                transform: rotate(360deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
           -moz-transform: rotate(360deg);
             -o-transform: rotate(360deg);
                transform: rotate(360deg);
    }
}

@-webkit-keyframes square-loader-inner {
    0% {
        height: 0;
    }
    25% {
        height: 0;
    }
    50% {
        height: 100%;
    }
    75% {
        height: 100%;
    }
    100% {
        height: 0;
    }
}

@-moz-keyframes square-loader-inner {
    0% {
        height: 0;
    }
    25% {
        height: 0;
    }
    50% {
        height: 100%;
    }
    75% {
        height: 100%;
    }
    100% {
        height: 0;
    }
}

@-o-keyframes square-loader-inner {
    0% {
        height: 0;
    }
    25% {
        height: 0;
    }
    50% {
        height: 100%;
    }
    75% {
        height: 100%;
    }
    100% {
        height: 0;
    }
}

@keyframes square-loader-inner {
    0% {
        height: 0;
    }
    25% {
        height: 0;
    }
    50% {
        height: 100%;
    }
    75% {
        height: 100%;
    }
    100% {
        height: 0;
    }
}