#masque-INST-1{
position:absolute;
top:-1px;
}

#masque-INST-2{
position:absolute;
top:-1px;
left:68px;
}

#masque-INST-3{
position:absolute;
top:-1px;
left:136px;
}

#masque-INST-4{
position:absolute;
top:-1px;
left:204px;
}

#masque-INST-5{
position:absolute;
top:-1px;
left:272px;
}

#masque-INST-6{
position:absolute;
top:-1px;
left:340px;
}

#masque-INST-7{
position:absolute;
top:-1px;
left:408px;
}

#masque-INST-8{
position:absolute;
top:-1px;
left:476px;
}

#masque-INST-9{
position:absolute;
top:-1px;
left:544px;
}