@media only screen and (max-width:768px){.section{margin-top:50px!important;}#univers{min-height:1100px;}.texte-univers{bottom:-300px;}.img-titre-univers{bottom:450px;}}@media only screen and (max-width:425px){.navbar li{width:auto;}.texte-univers{bottom:-550px;}.img-titre-univers{bottom:300px;}}