.taux{border:1px solid #000;margin:10px 10px;} .taux tr{background-color:#cecece;} .taux td{text-align:center;min-width:60px;} .taux th{font-size:11pt;} @media (min-width:768px) {#gauche{height:750px;} html>body #gauche{height:auto;min-height:750px;} #centre{height:750px;} html>body #centre{height:auto;min-height:750px;} #internet{height:750px;} html>body #internet{height:auto;min-height:750px;} }