.cui-dialog {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(0,0,0,0.6);
  display: none;
  z-index: 40;
}
.cui-dialog.show {
  display: block;
}
.cui-dialog-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  background-color: #fff;
  -webkit-transform: translate(-50%, 0);
  -moz-transform: translate(-50%, 0);
  -o-transform: translate(-50%, 0);
  -ms-transform: translate(-50%, 0);
  transform: translate(-50%, 0);
  padding: 10px;
  z-index: 50;
}
.cui-dialog-wrap.vertical-middle {
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
.cui-dialog-header {
  margin: 0;
  height: 40px;
  line-height: 40px;
  font-size: 16px;
}
.cui-dialog-close {
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  text-align: center;
  line-height: 36px;
  font-size: 22px;
  color: #999;
  cursor: pointer;
}
.cui-dialog-body {
  padding: 20px 0;
}
.cui-dialog-footer {
  display: -webkit-box;
  display: -moz-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: box;
  display: flex;
}
.cui-dialog-footer-item {
  -webkit-box-flex: 1;
  -moz-box-flex: 1;
  -o-box-flex: 1;
  box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  line-height: 1;
}