/* part1: 复用样式 */
.cf{
    clear: both;
}
.cf:after{
    height: 0;
    display: block;
    clear: both;
    content: '';
}

/* part2：全局样式 */
html,body{
    margin: 0;
    padding: 0;
}
body{
    width: 80%;
    margin: auto;
}
p,button{
    border: none;
    margin: 0;
    padding: 0;
    background-color: transparent;
}

/* part3：图片上传 */
.upload{
    margin-top: 20px;
    margin-bottom: 20px;
    height: 200px;
    border: 2px dashed #ccc;
    border-radius: 0 8px 8px 0;
    text-align: center;
    position: relative;
}

#picture{
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 100;
    left: 0;
    right: 0;
    opacity: 0;
    cursor: pointer;
}
.upload p{
    margin-top: 60px;
    height: 30%;
    font-size: 120%;
    font-weight: bold;
    color: #ccc;
    vertical-align: middle;
    line-height: 1.5;
}


/* part4：转码结果 */
p#file-data{
    border-radius: 12px;
    border: 2px solid #009688;
    display: block;
    height: 200px;
    margin: 0;
    padding: 0;
    box-sizing: content-box;
    word-wrap: break-word;
    overflow: auto;
}
p.info{
    text-align: center;
    color: #888;
    display: none;
}

textarea{
    margin: 20px auto 10px;
    padding: 8px;
    width: 100%;
    height: 200px;
    padding: 2px;
    box-sizing: border-box;
    border-radius: 12px;
    border: 2px solid #009688;
    resize: none;
    outline: none;
}

/* part5: 操作按钮*/
.action{
    text-align: center;
    margin-bottom: 10px;
}
.action button{
    display: inline-block;
    padding: 8px;
    margin: 5px;
    border-radius: 6px;
    border: 2px solid #040;
    background-color: #080;
    color: #fff;
    font-size: 120%;
    cursor: pointer;
    outline: none;
}
.action button:active{
    background-color: #060;
    border-color: #060;
}