Redesign the submenu of drop down menu

[atanik]

In my wp based website I have a dropdown menu ,the sub menu inherit all the properties from root menu . If a submenu item has larger text it splits into two line . Like under services menu the submenu software development is splited in two line_SoftwareDevelopemt_I want to fit it one line like "software development"I tried this \[code\]ul#mainmenu-menu li:hover ul.sub-menu { display: block; padding:2px;}ul#mainmenu-menu ul.sub-menu > li { border: none; display: block; float: none; font-weight: normal;}ul#mainmenu-menu ul.sub-menu > li > a { height: auto; line-height: 10px; padding:2px; }\[/code\]but didn't work . How can I fix it . my working site http://aniyanetworks.net/Blog/thanks in advance