RadComboBox ItemTemplate and Checkbox on different lines

Problem

When using a RadComboBox with an ItemTemplate, and CheckBoxes="true" property, the item and checkbox are on different lines.

Description

The built-in items in the RadComboBox are rendered inside a <label> that used the style Display:Block. The block styling results in the items being on different lines.

Solution

Override the default CSS by applying the style below to render both the built-in items and template items on the same line.

.RadComboBoxDropDown .rcbList .rcbTemplate>label
{
    display:inline;
}