/*PRELOADING------------ */
#overlayer {
    width:100%;
    height:100%;  
    position:absolute;
    z-index:999;
    background:#4a4a4a;
}
.loader {
    display: inline-block;
    margin-left: auto;
    width: 30px;
    height: 30px;
    position: relative;
    z-index:9999;
    border: 4px solid #Fff;
    top: 50%;
    animation: loader 2s infinite ease;
}

.loader-inner {
    margin: auto;
    vertical-align: center;
    display: inline-block;
    width: 100%;
    background-color: #fff;
    animation: loader-inner 2s infinite ease-in;
}

@keyframes loader {
    0% {
        transform: rotate(0deg);
    }
    
    25% {
        transform: rotate(180deg);
    }
    
    50% {
        transform: rotate(180deg);
    }
    
    75% {
        transform: rotate(360deg);
    }
    
    100% {
        transform: rotate(360deg);
    }
}

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