.sidebar{
    width:400px;
    height:180px;
    background-color:#00F;
}

.sidebar ul{
    list-style:none;
    padding:0;
    margin:0;
    color:#FFF;
    text-transform:uppercase;
}

.sidebar ul li{
    line-height:25px;
    border-bottom:1px solid #FFF;
}

.sidebar ul li a{
    text-decoration:none;
    color:#FFF;
    padding:0 20px 0 20px;
    display:block;
}

.sidebar ul li a:hover{
    font-weight:bold;
    background-color:#900;
}