index.css

* {
    margin: 0;
}

html {
    overflow: hidden;
}

.content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: row;
    background: #f5f5f5;
}

.left {
    width: 30%;
   
}

.left .item {
    border-bottom: solid 1px #fff;
    margin-left: 15px;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.header {
    text-align: center;
    height: 40px;
    line-height: 40px;
}


.right {
    width: 70%;
    height: 100%;
    background: #fff;
}

.area {
    border: dashed 1px #000;
    width: 99.6%;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.start {
    height: 40px;
    width: 80px;
    color: #fff;
    background: #999;
    text-align: center;
    line-height: 40px;
    box-shadow: 1px 1px 1px #000;
}

.status {
     margin-top: 20px;
}

.status-info {
    margin-left: 10px;
    height: 45%;
    overflow-y: scroll;
}