mergeLonghand

Collapses longhand properties into the shorthand representation, and where possible will also collapse top/right/bottom/left values. Supports `margin`, `padding` & `border` longhands.

Example

Input

.box {
    margin-top: 10px;
    margin-right: 20px;
    margin-bottom: 10px;
    margin-left: 20px;
}

Output

.box {
    margin: 10px 20px;
}