.customize-control-range output {
  background-color: #fff;
  border: 1px solid #ddd;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.07);
  float: left;
  margin-right: 10px;
  margin-top: -4px;
  min-width: 16px;
  padding: 5px;
}