ul.menu_lateral {
    width: 220px;
    margin: 0px auto;
}        


ul.menu_lateral > li > a {
    display: block;       
    width: 100%;        
    padding: 15px 10px;            
    background-color: #ffffff;
    position: relative;
    color: #b93540;
    border-bottom: 1px solid #f0f0f0;
}        
   


    ul.menu_lateral > li > a:hover {
        background-color: #b93540;
        color: #ffffff;        
    }  
    
    ul.menu_lateral > li > a:hover > span {
        color: #ffffff;
    }
    
    ul.menu_lateral > li > a:hover > div.seta {
        border-color: transparent transparent transparent #ffffff;
    }