a.button
{
   border-style:outset;
   border-color:#2255BB;
   border-width:3px;
   border-radius:10px;

   margin:1px;
   width:100px;
   height:20px;

   display:inline-block;
   background-color:#2255BB;
   color:#FFFFFF;
   text-decoration:none;
   font-weight:bold;
}
a.button:visited
{
   color:#FFFFFF;
}
a.button:hover
{
   background-color:#4477DD;
}
a.button:active
{
   border-style:inset;
   border-color:#4477DD;
}

div.niu_home
{
   float:left;
   vertical-align:top;
   padding:20px;
   height:100%;
}
div.content
{
   float:left;
   width:80%;
}

div.menu
{
   text-align:center;
   margin-left:auto;
   margin-right:auto;
   width:100%;
   clear:both;
}
div.links
{
   text-align:center;
   margin-left:auto;
   margin-right:auto;
   width:100%;
   clear:both;
}