#overlay {
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    background-color: rgba(0,0,0,0.5);
    pointer-events: none;
}

#overlay1 {
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    background-color: #fff;
    pointer-events: none;
}

#spinner {
    display: none;
    position: fixed;
    width: 40px;
    height: 40px;
    top: 50%;
    left: 50%;
    margin-top: -20px;
    margin-left: -20px;
    z-index: 1002;
    background-color: #3498db;
    -webkit-animation: sk-rotateplane 1.2s infinite ease-in-out;
    animation: sk-rotateplane 1.2s infinite ease-in-out;
}

@-webkit-keyframes sk-rotateplane {
    0% {
        -webkit-transform: perspective(120px)
    }

    50% {
        -webkit-transform: perspective(120px) rotateY(180deg)
    }

    100% {
        -webkit-transform: perspective(120px) rotateY(180deg) rotateX(180deg)
    }
}

@keyframes sk-rotateplane {
    0% {
        transform: perspective(120px) rotateX(0deg) rotateY(0deg);
        -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg)
    }

    50% {
        transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
        -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg)
    }

    100% {
        transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
        -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    }
}