.main-page{padding:20px;height:100%;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;background-color:#fff}.obtain{color:#12bb12}.write-off{color:#5e81f4}.save{margin-top:10px;text-align:center}.block{height:100%;margin-top:25px;overflow:scroll}