<style> p {font-size:10pt} kuku {color:red} #blue {color:blue}; </style> ... <script> document.styleSheets[0].rules[0] .style.fontSize='10pt'; document.styleSheets[0].rules[1] .style.color='red'; document.styleSheets[0].rules[2] .style.color='blue'; </script> ... <a id=ref href=...>...</a> <script> document.all.ref.style.color=  'blue'; document.all.ref.style.fontStyle=  'italic'; document.all.tags('a').item(0) .style.fontSize='10pt'; document.links[0].style .backgroundColor='black'; </script>