Basic navbar with full-size buttons

Basic Nav

//scss mixins
//mixins
@mixin globalWidth{
  margin: 0 auto;
  width:720px;
}

@mixin logoSize{
  width: 184px;
	height: 50px;
}

@mixin fourSmallRoundedCorners{
  -webkit-border-radius: 3px;
	-moz-border-radius: 3px;
}

//scss

header{
  background-color:#4c4c4c;
  background-image: -moz-linear-gradient(100% 100% 90deg, #282828, #4c4c4c);
  background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#4c4c4c), to(#282828));
  border-top:1px solid #282828;
  border-bottom:1px solid #282828;
  overflow:auto;
  .headerWrap{
    @include globalWidth;
    overflow:auto;
    h1{
      background:url(/images/logo.png) no-repeat;
      margin-top:0px;
      float:left;
      @include logoSize;
      a{
        position:absolute;
        @include logoSize;
        span{
          display:none;
        }
      }
    }
    ul.nav{
      border-right:1px solid #4c4c4c;
      float:right;
      li{
        height:50px;
        font-size:13px;
        text-transform:uppercase;
        float:left;
         a{
            padding:17px 18px;
            display:block;
            border-left:1px solid #4c4c4c;
            border-right:1px solid #282828;
            color:#bababa;
            text-decoration:none;
            &:hover{
              background-color:#282828;
              color:#fff;
            }
          }
        }
      li.search{
        border-right:1px solid #282828;
        float:left;
        input.text{
          background-color:#777;
          margin:11px 18px 0 0;
          width:175px;
          color:#fefefe;
          @include standardTextInput;
          @include fourSmallRoundedCorners;
        }
      }
    }
  }
}

//haml

header
      .headerWrap
        h1
          a(href='/', title='Example.com')
            span Example.com
        ul.nav
          li.search
            input(type='text', id='searchtext', class='text', value='Search')
          li
            a(href='/', title='Settings') Settings
          li
            a(href='/', title='Account') Account
          li
            a(href='/', title='Sign Out') Sign Out