CSS tag to increase font size -

is there method create css tag increases font size? like:

<style> p {     font-size: 100%; }  lrg {     font-size: +40%; } </style>  <p>hi <lrg>tom</lrg>!</p>

in above example, default text size 100% text size of inside tag 140% (100+40).

is there way receive similar results??

you can use em units:

span {      font-size: 1.4em; /* 40% bigger parent */  }

<p>hi <span>tom</span>!</p>

Szoka