Navigation menu with lists using :hover and :focus

CSS:

#focusexampleone ul{
list-style:none;
width:200px;
}
#focusexampleone li{
width:100%;
margin:1px;
text-align:center;
}
#focusexampleone a, #focusexampleone a:link, #focusexampleone a:visited{
display:block;
width:198px;
text-decoration:none;
border:1px solid #ddd;
}
#focusexampleone a:focus, #focusexampleone a:hover, #focusexampleone a:active{
background:#484;
color:#fff;
border-color:#000;
}

HTML:

• Link One
  
• Link Two
  
• Link Three
  
• Link Four