body{
    
}

.page{
    width:210mm;
    height:297mm;
}


#bloc1{
    width:100px;
    height:100px;
    background-color:#FF0000;
    
}

.blocs{
    width:100px;
    height:100px;
    /*background-color:rgb(255, 0, 0);*/
    background-color:hsl(0, 100%, 50%);
    margin-top:10px;

}