.algo-list .btn{
    margin: 10px;
}

.upload{
    position: relative;
    width: 500px;
    height: 200px;
    border: 1px dashed #000000;
    margin: 30px auto;
    border-radius: 6px;
}
.upload:hover{
    border-color: #5cb85c;
}
.tips_text{
    height: 200px;
    line-height: 200px;
    text-align: center;
}
.upload_input{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}
.algo-list{
    text-align: center;
}