body,
body * {
    vertical-align: baseline;
    border: 0;
    outline: 0;
    padding: 0;
    margin: 0;
}

#ad {
    position: absolute;
    width: 300px;
    height: 600px;
    top: 0px;
    left: 0px;
    margin: auto;
    background-color: #0A2C43;
}

#content {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    z-index: 100;
    overflow: hidden;
    opacity: 0;
}

#clickthrough-button {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    cursor: pointer;
    opacity: 0;
    z-index: 400;
}

#border{
    position: absolute;
    left: 0px;
    top: 0px;
    border: 1px solid #0A2C43;
    width: 300px;
    height: 600px;
    z-index: 300;
    box-sizing: border-box;
}

.canvas_size {
    position: absolute;
    background-repeat: no-repeat;
    width: 300px;
    height: 600px;
}

.pixelation{
    image-rendering: -moz-crisp-edges;         /* Firefox */
    image-rendering:   -o-crisp-edges;         /* Opera */
    image-rendering: -webkit-optimize-contrast;/* Webkit (non-standard naming) */
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor;  /* IE (non-standard property) */    
}

.bg1{
    background-image: url("../img/bg1.jpg");
    width: 700px;
    height: 600px;
    z-index: 20;
}

.bg2{
    background-image: url("../img/bg2.jpg");
    width: 821px;
    height: 600px;
    z-index: 20;
}

.bg3{
    background-image: url("../img/bg3.jpg");
    width: 821px;
    height: 600px;
    z-index: 21;
}

.bg4{
    background-image: url("../img/bg4.jpg");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 21;
}

.black_bg{
    background-image: url("../img/black_bg.svg");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 21;
}

.endcard_bg5{
    background-image: url("../img/endcard_bg5.jpg");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 22;
}

.endcard_logo{
    background-image: url("../img/endcard_logo.png");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 25;
}

.endcard_tate_modern{
    background-image: url("../img/endcard_tate_modern.png");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 25;
}

.tt1{
    background-image: url("../img/tt1.svg");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 24;
}

.tt2{
    background-image: url("../img/tt2.svg");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 23;
}

.tt3{
    background-image: url("../img/tt3.svg");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 30;
}

.tt4{
    background-image: url("../img/tt4.svg");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 30;
}

.tt5{
    background-image: url("../img/tt5.png");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 30;
}

.endcard_tt6{
    background-image: url("../img/endcard_tt6.png");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 25;
}


.endcard_btn{
    background-image: url("../img/endcard_btn.png");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 25;
}

.btn_over{
    background-image: url("../img/btn_over.png");
    width: 300px;
    height: 600px;
    background-size: contain;
    z-index: 21;
}