#wp-admin-bar-my-sites-list{width: 80vw; z-index:10!important; line-height: 1em;} 
 #wp-admin-bar-my-sites-list > li, #wp-admin-bar-network-admin{width:20vw; display:inline-block; z-index:0!important;} 
 #wp-admin-bar-my-sites-list > li a{overflow: hidden;
    max-width: 15vw;} 
 
 #wp-admin-bar-my-sites-list > li.hover{z-index:10!important;}