body    { font-size: 11px; font-family: Helvetica }
p    { font-family: Helvetica }
td    { font-family: Helvetica }
.petit   { font-size: 10px }
a:hover { color: #fc0; background-color: #33c }
.besoin    { font-weight: bold; font-size: 11px; padding: 2px }
.solution     { color: #930; font-size: 11px; background-color: #d2ddb9; padding: 3px }
H1    { font-size: 14px }
H2    { font-size: 12px }
H3  { font-size: 11px }