a{    
    color: red;
    text-decoration: none; 
}

a:hover{    
    text-decoration: underline; 
}

#teste{
    background-color: #FFFFFF;
    font: 100% Arial, Timens New Roman, sans-serif;
    text-decoration: none;
    list-style: none;  
}

#teste ul a{   
    color: black;
    text-decoration: none;   
}

#teste ul a:hover{   
    color: black;
    text-decoration: underline;  
}