#site-loader {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: white;
    z-index: 9999999999999999999;
    visibility: visible;
    opacity: 1;
    -webkit-transition: all .5s ease-in-out;
            transition: all .5s ease-in-out;
}

#site-loader .loader {
    position: absolute;
    top: calc(50% - 100px);
    left: calc(50% - 100px);
    bottom: 0;
    width: 200px;
    height: 200px;
    background-image: url("/images/logo.png");
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-animation: loader_fade infinite 1s;
            animation: loader_fade infinite 1s;
}

#site-loader.hide {
    visibility: hidden;
    -webkit-transition: all 1s ease-in-out;
    transition: all 1s ease-in-out;
    opacity: 0;
}

#site-loader.no-loader {
    display: none;
}

@-webkit-keyframes loader_rotate {
    0% {
        -webkit-transform: rotate(0deg);
                transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(359deg);
                transform: rotate(359deg);
    }
}

@keyframes loader_rotate {
    0% {
        -webkit-transform: rotate(0deg);
                transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(359deg);
                transform: rotate(359deg);
    }
} 

@-webkit-keyframes loader_fade {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

@keyframes loader_fade {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}