body
{background-color:#998c80;}

.excel
{color:#98cbed;
text-align:right;}

#seance h1, #exercice h1, #extra h1
{background-color:#3498db;}

#seance
{height:840px;

width:240px;
}


.rond
{background-color:#1976d2;}


section.main h1
{background-color:#3498db;}

section.main h2, section.main a
{color:#175782;}

article h4
{color:#7ca528;}

#seance, #exercice, #extra, section.main
{background-color:#d8cec5;}

table.ali td
{text-align:left;
height:60px;}

td.c
{height:30px;}