* {
    line-height: 0;
    margin: 0 auto;
    padding: 0;
}

html,
body {
    width: 990px;
    height: 650px;
    overflow: hidden;
    margin: auto;
}

#frame {
    border: solid 1px #646464;
    box-sizing: border-box;
    height: 500px;
    overflow: hidden;
}

#container {
    position: relative;
    height: 100%;
    text-align: center;
}

#buttons {
    position: absolute;
    top: 20px;
    right: 15px;
    width: 100px;
    height: 30px;
    z-index: 10;
}

#buttons .button {
    display: block;
    float: left;
    margin: 0 10px 0 0;
    width: 30px;
    height: 30px;
    line-height: 30px;
    font-size: 30px;
    background: #f04e23;
    color: #fff;
    text-align: center;
    border-radius: 3px;
    cursor: pointer;
}

#key {
    height: 150px;
}

#key img {
    width: 100%;
    height: 100%;
}