The margin-left property sets the left margin (space) of an element. The space is created outside the element's border.
Value
Description
(numeric)
e.g. '15' would set the left margin for an element to 15 pixels (Microthemer automatically adds the 'px' unit if a unit isn't specified). Other commonly used units include 'em' and '%'. So you could enter '5%' in the Left Margin field.
Margin Left
The margin-left property sets the left margin (space) of an element. The space is created outside the element's border.
Themeover CSS Reference
Online CSS References: Margin Left
Online CSS Tutorials: Padding & Margin