#loader {
    transition: all .3s ease-in-out;
    opacity: 1;
    visibility: visible;
    position: fixed;
    height: 100vh;
    width: 100%;
    background: #fff;
    z-index: 90000
}

    #loader.fadeOut {
        opacity: 0;
        visibility: hidden
    }

.spinner {
    width: 40px;
    height: 40px;
    position: absolute;
    top: calc(50% - 20px);
    left: calc(50% - 20px);
    background-color: #333;
    border-radius: 100%;
    -webkit-animation: sk-scaleout 1s infinite ease-in-out;
    animation: sk-scaleout 1s infinite ease-in-out
}

@-webkit-keyframes sk-scaleout {
    0% {
        -webkit-transform: scale(0)
    }

    100% {
        -webkit-transform: scale(1);
        opacity: 0
    }
}

@keyframes sk-scaleout {
    0% {
        -webkit-transform: scale(0);
        transform: scale(0)
    }

    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
        opacity: 0
    }
}