html, body {font:normal 100.01%/1.375 Helvetica,Arial,sans-serif; font-size:12px; margin:0; padding:0; height:100%;}

img {border-radius:6px; max-height:100%; max-width:100%;}

a:link {text-decoration:none; color:rgb(74,99,124);}
a:visited {text-decoration:none; color:rgb(74,99,124);}
a:active {text-decoration:none; color:rgb(74,99,124);}
a:hover {text-decoration:none; color:rgb(74,99,124);}

p {font-size:18px; margin:0 auto; text-align:center;}

.topbar {border:2px solid black; width:auto; height:15%; display:block; text-align:center; font-size:6.0em;}

.main {width:auto; height:50%; display:block; background-image:url(images/portail-fond.png); background-repeat:no-repeat; background-size:100%}

.footbar {border:2px solid green; position:fixed; bottom:0; width:100%; height:40px; display:block; text-align:center; font-size:2.0em;}