<style>.NU_infobulle{ width: 100px; margin: auto; padding: 0; float: left; position: relative; } .NU_bulle{ background: #090700; border: 0px solid #1c1706; width: 0; height: 0; position: absolute; top: 100px; left: 70px; overflow: hidden; z-index: 20; text-align: left; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px; -webkit-transition: all 1.5s ease;-moz-transition: all 1.5s ease;-o-transition: all 1.5s ease;transition: all 1.5s ease;} .NU_infobulle:hover .NU_bulle{ width: 150px; height: 50px; padding: 5px; border-width: 1px; }</style>