Ein Mini-Plugin:
#wpadminbar ( width: 47px; min-width: auto; overflow: hidden; -webkit-transition: .4s width; -webkit-transition-delay: 1s; -moz-transition: .4s width; -moz-transition-delay: 1s; -o-transition: .4s width; -o-transition-delay: 1s; -ms-transition: .4s width; -ms-transition-delay: 1s; transition: .4s width; transition-delay: 1s; ) #wpadminbar:hover ( width: 100%; overflow: visible; -webkit-transition-delay: 0; -moz-transition-delay: 0; -o-transition-delay: 0; -ms-transition-delay: 0; transition-delay: 0; ) 
