#layer1, #layer2, #layer3, #layer4, #layer5, #layer6, #layer7, #layer8, #layer9, #layer10, #layer11, #layer12 {
    margin: 30px auto 30px auto;
    text-align: center;
    background-color: #FFFFFF;
    border: thin solid #000000;
    border-radius: 5px;
    width: 175px;
    height: 40px;
    vertical-align: middle;
    line-height: 40px;
    font-weight: normal;
}

    #layer1 a, #layer2 a, #layer3 a, #layer4 a, #layer5 a, #layer6 a, #layer7 a, #layer8 a, #layer9 a, #layer10 a, #layer11 a, #layer12 a {
        display: block;
    }

        #layer1 a:link, #layer2 a:link, #layer3 a:link, #layer4 a:link, #layer5 a:link, #layer6 a:link, #layer7 a:link, #layer8 a:link, #layer9 a:link, #layer10 a:link, #layer11 a:link, #layer12 a:link {
            text-decoration: none;
            color: black;
        }

        #layer1 a:visited, #layer2 a:visited, #layer3 a:visited, #layer4 a:visited, #layer5 a:visited, #layer6 a:visited, #layer7 a:visited, #layer8 a:visited, #layer9 a:visited, #layer10 a:visited, #layer11 a:visited, #layer12 a:visited {
            text-decoration: none;
            color: black;
        }

    #layer1:hover, #layer2:hover, #layer3:hover, #layer4:hover, #layer5:hover, #layer6:hover, #layer7:hover, #layer8:hover, #layer9:hover, #layer10:hover, #layer11:hover, #layer12:hover {
        background-color: #CCCCCC;
    }

.liendata {
	margin: 30px auto 30px auto;
	text-align: center;
	background-color: #FFFFFF;
	border: thin solid #000000;
	border-radius: 5px; width: 150px;
	height: 40px;
	vertical-align: middle;
	line-height: 40px;
}

.liendata a {
	display: block;
}

.liendata a:link {
	text-decoration: none; color: black;
}

.liendata a:visited {
	text-decoration: none; color: black;
}

.liendata:hover  {
	background-color: #CCCCCC;
}
.souligne {
    text-decoration: underline;
}