* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial;
    font-size: 17px;
    background-color: #f7f7f7;
}

#overlay {
    background: url(./black-dots.png) repeat, url(./black-dots.png);
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    background-position-x: 0%, 0%;
    background-position-y: 0%, 0%;
    background-repeat: repeat, repeat;
    background-position: left top;
    background-repeat: repeat;
    z-index: 1;
    pointer-events: none;
}

#myVideo {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}



.label-container {
    position: fixed;
    bottom: 48px;
    right: 105px;
    display: table;
    visibility: hidden;
}

.label-text {
    color: #fff;
    background: rgba(51, 51, 51, 0.5);
    display: table-cell;
    vertical-align: middle;
    padding: 10px;
    border-radius: 3px;
}

.label-arrow {
    display: table-cell;
    vertical-align: middle;
    color: #333;
    opacity: 0.5;
}

.right-btn {
    right: 0;
    margin-right: 3%;
}

.left-btn {
    margin-left: 3%;
}

.bottom-content {
    position: absolute;
    width: 100%;
    height: 15%;
    bottom: 3%;
}

.top-content {
    position: absolute;
    width: 100%;
    height: 10%;
    top: 2%;
    padding-left: 20px;
    text-align: center;
}

.bottom-content img {
    height: 100%;
}

.top-content img {
    height: 100%;
}

.my-top-btn {
    width: 85px;
    height: 100%;
    float:left;
}

.my-bottom-btn {
    position: absolute;
    height: 100%;
    display: block;
    bottom: 0;
}