ArtPlayer/docs/thumbnail/css/common.css

html, body {
    height: 100%;
}

::-webkit-input-placeholder {
    color:#dadada;
}
:-moz-placeholder {
    color:#dadada;
}
::-moz-placeholder {
    color:#dadada;
}
:-ms-input-placeholder {
    color:#dadada;
}

.container {
    height: 100%;
    display: flex;
    font-size: 14px;
    color: #97a8be;
}

.left-part {
    width: 40%;
    flex-direction: column;
    border-right: 1px solid #ddd;
    padding: 20px;
    box-sizing: border-box;
}

.left-part .upload {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    border: 2px dashed #d9d9d9;
    text-align: center;
    font-size: 16px;
    cursor: pointer;
    border-radius: 3px;
    margin-bottom: 10px;
    box-sizing: border-box;
}

.left-part .upload .file {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    outline: none;
    opacity: 0;
}

.left-part .artplayer {
    display: none;
    height: 300px;
    margin-bottom: 10px;
}

.left-part .result {
    display: flex;
    height: 30px;
    line-height: 30px;
    margin-bottom: 10px;
}

.left-part .result .item {
    display: flex;
    height: 30px;
    line-height: 30px;
    margin-right: 20px;
}

.left-part .result .item .name{
    width: 50px;
}

.left-part .setup {
    margin-bottom: 10px;
}

.left-part .setup .item {
    display: flex;
    height: 30px;
    line-height: 30px;
    margin-bottom: 20px;
}

.left-part .setup .item .name{
    width: 65px;
    text-align: right;
}

.left-part .setup .item .input {
    height: 30px;
    width: 200px;
    border-radius: 3px;
    outline: none;
    color: #687079;
    border: 1px solid #d9d9d9;
    padding: 0 10px;
}

.left-part .btns {
    display: flex;
}

.left-part .btns .btn {
    width: 120px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    border-radius: 3px;
    margin-right: 20px;
    color: #fff;
    cursor: pointer;
}

.left-part .btns .btn.reset {
    background: #97a8be;
}

.left-part .btns .btn.create {
    background: #3ca5ea;
}

.left-part .btns .btn.download {
    background: #3ca5ea;
}

.left-part .btns .btn:hover {
    opacity: .8;
}

.rigth-part {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.rigth-part .preview {
    width: 100%;
    height: 70%;
    border: 2px dashed #d9d9d9;
    background-color: #f5f5f5;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    box-sizing: border-box;
}

.rigth-part .preview canvas {
    max-width: 100%;
}

.rigth-part .console {
    position: relative;
    height: 30%;
}