#loading-div-background {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    background: black;
    width: 100%;
    height: 100%;
    z-index: 1000000;
    opacity: 0.6;
}

.sk-cube-grid {
    width: 40px;
    height: 40px;
    margin: 10px auto;
}

    .sk-cube-grid .sk-cube {
        width: 33%;
        height: 33%;
        background-color: #377ec1;
        float: left;
        -webkit-animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out;
        animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out;
    }

    .sk-cube-grid .sk-cube1 {
        -webkit-animation-delay: 0.2s;
        animation-delay: 0.2s;
    }

    .sk-cube-grid .sk-cube2 {
        -webkit-animation-delay: 0.3s;
        animation-delay: 0.3s;
    }

    .sk-cube-grid .sk-cube3 {
        -webkit-animation-delay: 0.4s;
        animation-delay: 0.4s;
    }

    .sk-cube-grid .sk-cube4 {
        -webkit-animation-delay: 0.1s;
        animation-delay: 0.1s;
    }

    .sk-cube-grid .sk-cube5 {
        -webkit-animation-delay: 0.2s;
        animation-delay: 0.2s;
    }

    .sk-cube-grid .sk-cube6 {
        -webkit-animation-delay: 0.3s;
        animation-delay: 0.3s;
    }

    .sk-cube-grid .sk-cube7 {
        -webkit-animation-delay: 0s;
        animation-delay: 0s;
    }

    .sk-cube-grid .sk-cube8 {
        -webkit-animation-delay: 0.1s;
        animation-delay: 0.1s;
    }

    .sk-cube-grid .sk-cube9 {
        -webkit-animation-delay: 0.2s;
        animation-delay: 0.2s;
    }

@-webkit-keyframes sk-cubeGridScaleDelay {
    0%, 70%, 100% {
        -webkit-transform: scale3D(1, 1, 1);
        transform: scale3D(1, 1, 1);
    }

    35% {
        -webkit-transform: scale3D(0, 0, 1);
        transform: scale3D(0, 0, 1);
    }
}

@keyframes sk-cubeGridScaleDelay {
    0%, 70%, 100% {
        -webkit-transform: scale3D(1, 1, 1);
        transform: scale3D(1, 1, 1);
    }

    35% {
        -webkit-transform: scale3D(0, 0, 1);
        transform: scale3D(0, 0, 1);
    }
}

#loading-div3 {
    width: 300px;
    height: 200px;
    background-color: white;
    text-align: center;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -150px;
    margin-top: -100px;
}

#loading-div {
    width: 300px;
    height: 200px;
    background-color: white;
    text-align: center;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -150px;
    margin-top: -100px;
}

#complete-div {
    text-align: center;
    position: absolute;
    left: 50%;
    top: 25%;  
    display:none;
    position:fixed;
    transform:translate3d(-50%, 0px, 0px);
    width:100%;
}

#return-btn {
    background-color: #377ec1;
    border-radius: 0px;
    -webkit-appearance: none;
    color: white;
    font-weight: normal;
    font-family:'Times New Roman';
    font-size:14pt;
    border:0px;
    padding: 5px 15px;
    cursor:pointer;
}

.complete-icon {
    width: 80px;
    height: 80px;
    border-radius: 40px;
    background-color: #377ec1;
    position: relative;
    left: 50%;
    transform: translate3d(-50%, 0px, 0px);
    background-image:url('../images/reader icons/tick-white.png');
    background-repeat:no-repeat;
    background-position:center;
    background-size:65%;
}