.unit-wrap{ padding:10px; background:#fff; background-size:100% 100%; .half-item{ width: 50%; display: inline-block; margin-bottom: 10px; } #demand-form{ padding-top: 20px; .subBtn{ width: 200px; margin: 40px auto; .set-submit{ margin-right: 60px } } } .color-red{ color:#f5222d; margin-left: 5px } .picWidth{ width: 33.33%; display: inline-block; } }