docs: function (element) {
  		var codeStyles = getStyles(element);
  		var whiteSpace = codeStyles['white-space'];
  
  		if (whiteSpace === 'pre-wrap' || whiteSpace === 'pre-line') {
  			var codeElement = element.querySelector('code');
  			var lineNumbersWrapper = element.querySelector('.line-numbers-rows');
  			var lineNumberSizer = element.querySelector('.line-numbers-sizer');
  			var codeLines = element.textContent.split('\n');
  
  			if (!lineNumberSizer) {
  				lineNumberSizer = document.createElement('span');
  				lineNumberSizer.className = 'line-numbers-sizer';
  
  				codeElement.appendChild(lineNumberSizer);
  			}
  
  			lineNumberSizer.style.display = 'block';
  
  			codeLines.forEach(function (line, lineNumber) {
  				lineNumberSizer.textContent = line || '\n';
  				var lineSize = lineNumberSizer.getBoundingClientRect().height;
  				lineNumbersWrapper.children[lineNumber].style.height = lineSize + 'px';
  			});
  
  			lineNumberSizer.textContent = '';
  			lineNumberSizer.style.display = 'none';
  		}
  	}