h2{
background-color:rgba(255,255,255,0.5);
width:15em;
margin-bottom:0;
}

h2 + div
{
background-color:rgba(255,255,255,0.5);
padding-left:1em;
margin-top:0;
}

em{
font-style:normal;
font-weight:bold;
}

body{
background-color:rgba(187, 210, 225,1);
background-attachment:fixed;
background-size:100% 100%;
}

header{
background-color:rgba(255,255,255,0.5);
}

footer{
background-color:rgba(255,255,255,0.5);
}

section{
margin-bottom:5em;
}

table{
width:100%;
}

.flottant_droite
{
float: right;
}

.flottant_stop
{
clear: both;
}