.spinner {
    width: 40px;
    height: 40px;
    margin: 100px auto;
    background-color: #0D47A1;
    
    border-radius: 100%;  
    -webkit-animation: sk-scaleout 1.0s infinite ease-in-out;
    animation: sk-scaleout 1.0s infinite ease-in-out;
    }
    
    @-webkit-keyframes sk-scaleout {
    0% { -webkit-transform: scale(0) }
    100% {
        -webkit-transform: scale(1.0);
        opacity: 0;
    }
    }
    
    @keyframes sk-scaleout {
    0% { 
        -webkit-transform: scale(0);
        transform: scale(0);
    } 100% {
        -webkit-transform: scale(1.0);
        transform: scale(1.0);
        opacity: 0;
    }
    }
    #preloader {
        position: absolute;
        top: 68px;
        left: 0px;
        background-color: white;
        height: 100%;
        width:100%;
        z-index: 999;
    }