.loading {
    position: fixed;
    z-index: 999;
    height: 2em;
    width: 2em;
    overflow: show;
    margin: auto;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

/* Transparent Overlay */
.loading:before {
    content: '';
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
}

/* :not(:required) hides these rules from IE9 and below */
.loading:not(:required) {
    /* hide "loading..." text */
    font: 0/0 a;
    color: transparent;
    text-shadow: none;
    background-color: transparent;
    border: 0;
}

.loading:not(:required):after {
    content: '';
    display: block;
    font-size: 10px;
    width: 1em;
    height: 1em;
    margin-top: -0.5em;
    -webkit-animation: spinner 1500ms infinite linear;
    -moz-animation: spinner 1500ms infinite linear;
    -ms-animation: spinner 1500ms infinite linear;
    -o-animation: spinner 1500ms infinite linear;
    animation: spinner 1500ms infinite linear;
    border-radius: 0.5em;
    -webkit-box-shadow: rgba(0, 0, 0, 0.75) 1.5em 0 0 0, rgba(0, 0, 0, 0.75) 1.1em 1.1em 0 0, rgba(0, 0, 0, 0.75) 0 1.5em 0 0, rgba(0, 0, 0, 0.75) -1.1em 1.1em 0 0, rgba(0, 0, 0, 0.5) -1.5em 0 0 0, rgba(0, 0, 0, 0.5) -1.1em -1.1em 0 0, rgba(0, 0, 0, 0.75) 0 -1.5em 0 0, rgba(0, 0, 0, 0.75) 1.1em -1.1em 0 0;
    box-shadow: rgba(0, 0, 0, 0.75) 1.5em 0 0 0, rgba(0, 0, 0, 0.75) 1.1em 1.1em 0 0, rgba(0, 0, 0, 0.75) 0 1.5em 0 0, rgba(0, 0, 0, 0.75) -1.1em 1.1em 0 0, rgba(0, 0, 0, 0.75) -1.5em 0 0 0, rgba(0, 0, 0, 0.75) -1.1em -1.1em 0 0, rgba(0, 0, 0, 0.75) 0 -1.5em 0 0, rgba(0, 0, 0, 0.75) 1.1em -1.1em 0 0;
}

/* Animation */

@-webkit-keyframes spinner {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@-moz-keyframes spinner {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@-o-keyframes spinner {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes spinner {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

.spinner {
    height: 40px;
    text-align: center;
    font-size: 10px;
    position: absolute;
    width: 86%;
}

.spinner > div {
    background-color: #8d8d8d;
    height: 100%;
    width: 6px;
    display: inline-block;

    -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
    animation: sk-stretchdelay 1.2s infinite ease-in-out;
}

.spinner .rect2 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
}

.spinner .rect3 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
}

.spinner .rect4 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
}

.spinner .rect5 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
}

@-webkit-keyframes sk-stretchdelay {
    0%, 40%, 100% {
        -webkit-transform: scaleY(0.4)
    }
    20% {
        -webkit-transform: scaleY(1.0)
    }
}

@keyframes sk-stretchdelay {
    0%, 40%, 100% {
        transform: scaleY(0.4);
        -webkit-transform: scaleY(0.4);
    }
    20% {
        transform: scaleY(1.0);
        -webkit-transform: scaleY(1.0);
    }
}

.sk-fading-circle {
    width: 20px;
    height: 20px;
    position: relative;
    left: 106px;
    top: 10px;
}

.sk-fading-circle .sk-circle {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
}

.sk-fading-circle .sk-circle:before {
    content: '';
    display: block;
    margin: 0 auto;
    width: 15%;
    height: 15%;
    background-color: #333;
    border-radius: 100%;
    -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;
    animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;
}

.sk-fading-circle .sk-circle2 {
    -webkit-transform: rotate(30deg);
    -ms-transform: rotate(30deg);
    transform: rotate(30deg);
}

.sk-fading-circle .sk-circle3 {
    -webkit-transform: rotate(60deg);
    -ms-transform: rotate(60deg);
    transform: rotate(60deg);
}

.sk-fading-circle .sk-circle4 {
    -webkit-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    transform: rotate(90deg);
}

.sk-fading-circle .sk-circle5 {
    -webkit-transform: rotate(120deg);
    -ms-transform: rotate(120deg);
    transform: rotate(120deg);
}

.sk-fading-circle .sk-circle6 {
    -webkit-transform: rotate(150deg);
    -ms-transform: rotate(150deg);
    transform: rotate(150deg);
}

.sk-fading-circle .sk-circle7 {
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}

.sk-fading-circle .sk-circle8 {
    -webkit-transform: rotate(210deg);
    -ms-transform: rotate(210deg);
    transform: rotate(210deg);
}

.sk-fading-circle .sk-circle9 {
    -webkit-transform: rotate(240deg);
    -ms-transform: rotate(240deg);
    transform: rotate(240deg);
}

.sk-fading-circle .sk-circle10 {
    -webkit-transform: rotate(270deg);
    -ms-transform: rotate(270deg);
    transform: rotate(270deg);
}

.sk-fading-circle .sk-circle11 {
    -webkit-transform: rotate(300deg);
    -ms-transform: rotate(300deg);
    transform: rotate(300deg);
}

.sk-fading-circle .sk-circle12 {
    -webkit-transform: rotate(330deg);
    -ms-transform: rotate(330deg);
    transform: rotate(330deg);
}

.sk-fading-circle .sk-circle2:before {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
}

.sk-fading-circle .sk-circle3:before {
    -webkit-animation-delay: -1s;
    animation-delay: -1s;
}

.sk-fading-circle .sk-circle4:before {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
}

.sk-fading-circle .sk-circle5:before {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
}

.sk-fading-circle .sk-circle6:before {
    -webkit-animation-delay: -0.7s;
    animation-delay: -0.7s;
}

.sk-fading-circle .sk-circle7:before {
    -webkit-animation-delay: -0.6s;
    animation-delay: -0.6s;
}

.sk-fading-circle .sk-circle8:before {
    -webkit-animation-delay: -0.5s;
    animation-delay: -0.5s;
}

.sk-fading-circle .sk-circle9:before {
    -webkit-animation-delay: -0.4s;
    animation-delay: -0.4s;
}

.sk-fading-circle .sk-circle10:before {
    -webkit-animation-delay: -0.3s;
    animation-delay: -0.3s;
}

.sk-fading-circle .sk-circle11:before {
    -webkit-animation-delay: -0.2s;
    animation-delay: -0.2s;
}

.sk-fading-circle .sk-circle12:before {
    -webkit-animation-delay: -0.1s;
    animation-delay: -0.1s;
}

@-webkit-keyframes sk-circleFadeDelay {
    0%, 39%, 100% {
        opacity: 0;
    }
    40% {
        opacity: 1;
    }
}

@keyframes sk-circleFadeDelay {
    0%, 39%, 100% {
        opacity: 0;
    }
    40% {
        opacity: 1;
    }
}