Вопросы по CSS

display: block;

* {
margin: 0;
padding: 0;
outline: none;
}
 

ul {
list-style: none;
}

#navigation {
margin: 20px 0;
font: bold 60% "Helvetica Neue", Helvetica, Arial, sans-serif;
text-transform: uppercase;
color: #444;
}

#navigation:after {
clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden;
}

#navigation ul {
border-radius: 100px;
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.07);
-webkit-box-shadow: 0 2px 2px rgba(0, 0, 0, 0.07);
float: left; 
   overflow: hidden;
}

#navigation li {
  float: left; 
border-style: solid; 
border-width: 1px;
    border-color: #BABABA #BABABA #BABABA #FFF;
box-shadow: 0 1px rgba(255,255,255,1) inset;
-webkit-box-shadow: 0 1px rgba(255,255,255,1) inset;
background: #F7F7F7; /* Old browsers */
background: -moz-linear-gradient(top, #F7F7F7 0%, #EDEDED 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#F7F7F7), color-stop(100%,#EDEDED)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, #F7F7F7 0%,#EDEDED 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, #F7F7F7 0%,#EDEDED 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, #F7F7F7 0%,#EDEDED 100%); /* IE10+ */
background: linear-gradient(top, #F7F7F7 0%,#EDEDED 100%); /* W3C */
filter: progidXImageTransform.Microsoft.gradient( startColorstr='#F7F7F7', endColorstr='#EDEDED',GradientType=0 ); /* IE6-9 */
}

#navigation li:hover, #navigation li.current {
box-shadow: 0 1px rgba(255,255,255,0.2) inset;
-webkit-box-shadow: 0 1px rgba(255,255,255,0.2) inset;
border-color: #262626 !important;
background: #4D4D4D; /* Old browsers */
background: -moz-linear-gradient(top, #4D4D4D 0%, #262626 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#4D4D4D), color-stop(100%,#262626)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, #4D4D4D 0%,#262626 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, #4D4D4D 0%,#262626 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, #4D4D4D 0%,#262626 100%); /* IE10+ */
background: linear-gradient(top, #4D4D4D 0%,#262626 100%); /* W3C */
filter: progidXImageTransform.Microsoft.gradient( startColorstr='#4D4D4D', endColorstr='#262626',GradientType=0 ); /* IE6-9 */
}

#navigation a {
display: block;
padding: 10px 15px;
color: #444;
text-decoration: none;
text-shadow: 0 1px #FFF;
}

#navigation a:hover, #navigation li.current a {
color: #FFF;
text-shadow: 0 1px #000;
}

#navigation li:first-child {
border-left-color: #BABABA;
border-radius: 100px 0 0 100px;
}

#navigation li:last-child {
border-radius: 0 100px 100px 0;
}

echo '<nav id="navigation">';
echo '<ul>';
echo '<li><a href="#">Дом</a></li>';
echo '<li><a href="#">Кабинет</a></li>';
echo '<li><a href="#">Почта</a></li>';
echo '<li><a href="#">Выход</a></li>';
echo '</ul>';
echo '</nav>';

# Vmaste (24.12.2013 / 02:25)
помогите пожалуйста выровнять по центру

вот код в сss :
[php]
* {
margin: 0;
padding: 0;
outline: none;
}


ul {
list-style: none;
}

#navigation {
margin: 20px 0;
font: bold 60%

# Milordas (24.12.2013 / 20:27)
Как сделать подобное меню без таблиц?
http://csstest.wen.ru

# сeнсор (24.12.2013 / 20:30)
При помощи div