CSS
<style>
.threeD{
font-size:16px; /*设置字体大小*/
font-weight:800; /*设置字体粗细*/
text-shadow:1px 0px #009916, 1px 2px #006615, 3px 1px #009916,
2px 3px #006615, 4px 2px #009916, 4px 4px #006615,
5px 3px #009916, 5px 5px #006615, 7px 4px #009916,
6px 6px #006615, 8px 5px #009916, 7px 7px #006615,
9px 6px #009916, 9px 8px #006615, 11px 7px #009916/*设置文字阴影*/
}
</style>
body
<span class="threeD">文字<span>