#bloc_page {width:90%; margin:auto; font-size:1.3vw;}
a {text-decoration:none; color:#00F; font-weight:bold;}
nav {width:20%; text-align:center; position:fixed; right:0; top:3vw;}
nav a {text-decoration:none; color:#000; font-weight:bold; font-size:2vw; background:#9C9C9C; border:#9C9C9C solid 3px; border-radius:1vw; opacity:0.7;}
nav a:hover {color:#FFF; background:#525252; opacity:1;}
.wrapper {max-width: 100%; display:grid; grid-auto-columns: 50%;}
.wrapper > div {border-radius:5px; padding: 1em;}
.one {grid-column:1; grid-row:1;}
.two {grid-column:2; grid-row:1;}
.three {grid-column:1; grid-row:2;}
.four {grid-column:2; grid-row:2;}
.titre {text-align:center; font-weight:bold; font-size:2.5vw;}
.version {text-align:center; font-weight:bold; font-size:1.5vw;}
.bloc {color:#004000; text-align:justify; font-size:1.1vw;}
#returnOnTop {background:url("https://sosnoobs.fr/images/to_top.png") no-repeat; bottom:1%; cursor:pointer; display:none; height:48px; opacity:0.8; position:fixed; right:1%; width:48px;}
#returnOnTop:hover {opacity:1;}