margins: {l: 'margin-left', r: 'margin-right', t: 'margin-top', b: 'margin-bottom'},
// Reference the prototype's version of the method. Signatures are identical.
margins: {l: 'margin-left', r: 'margin-right', t: 'margin-top', b: 'margin-bottom'},
// Reference the prototype's version of the method. Signatures are identical.