code: function(vPx) {
  			assert(((typeof vPx === "string") && (vPx !== "") && !isNaN(parseFloat(vPx)) && (typeof parseFloat(vPx) === "number")) || ((typeof vPx === "number") && !isNaN(vPx)), 'Rem.fromPx: either the "vPx" parameter must be an integer, or a string e.g.: "16px"');
  			return parseFloat(vPx) / getRootFontSize();
  		}
docs: Convert <code>px</code> values to <code>rem</code>.
  
  @param {string|float} vPx The value in <code>px</code> units. E.g.: <code>"16px"</code> or <code>16</code>
  @returns {float} The converted value in <code>rem</code> units. E.g.: <code>1</code>
  @private
  @ui5-restricted sap.m