.btn {
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    border-radius: 3px;
    background-color: #ff8400;
    color: #fff;
    display: inline-block;
    height: 28px;
    line-height: 28px;
    text-align: center;
    width: 72px;
    transition: background-color 0.2s linear 0s;
    border: none;
    cursor: pointer;
    margin: 0 0 20px;
}

.demo {
    width: 700px;
    margin: 0 auto
}

.btn:hover {
    background-color: #e95a00;
    text-decoration: none
}

.ul_pics li {
    float: left;
    width: 280px;
    height: 350px;
    border: 1px solid #ddd;
    padding: 2px;
    text-align: center;
    margin: 0 5px 5px 0;
}

.ul_pics li .img {
    width: 280px;
    height: 260px;
    display: table-cell;
    vertical-align: middle;
}

.ul_pics li img {
    max-width: 280px;
    max-height: 260px;
    vertical-align: middle;
}

.ul_pics li .input {
    width: 260px;
    height: 30px;
    border: 1px solid #ddd;
    text-indent: 10px;
    margin-top: 10px;
}

.ul_pics li .span {
    padding-top: 15px;
    display: block;
    cursor: pointer;
}

.progress {
    position: relative;
    padding: 1px;
    border-radius: 3px;
    margin: 60px 0 0 0;
}

.bar {
    background-color: green;
    display: block;
    width: 0%;
    height: 20px;
    border-radius: 3px;
}

.percent {
    position: absolute;
    height: 20px;
    display: inline-block;
    top: 3px;
    left: 2%;
    color: #fff
}

.Submission {
    width: 80%;
    position: relative;
    display: block;
    cursor: pointer;
    background: #3bb4f2;
    padding: 4px 12px;
    color: #fff;
    text-align: center;
    border-radius: 3px;
    overflow: hidden;
    margin: 50px auto;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
}