input search

http://s26.postimg.org/t0l1zxhft/screenshot_11.png

<div class="clearfix menu">
<ul class="clearfix">
<li><a href="#">Home</a></li>
<li><a href="#">Home</a></li>
<li><a href="#">Home</a></li>
</ul>
<div class="search">
<form>
<input type="text">
<input type="submit">
</form>
</div>
</div>
.clearfix:after,.clearfix:before {content: '';display: table;}
.clearfix:after, .claearfix {clear: both;}
.menu {height: 40px;}
.menu ul {float: left}
.menu .search {float: right;}