.margin-col {
    margin-top: 10px;
    margin-right: 40px;
    margin-left: 40px;
    margin-bottom: 40px;
}
.titre   {
    margin-bottom: 50px;
    margin-top: 20px;

}
.section-padding {
    padding: 20px 0;
}
.half {
    height: 20%;
    width: 20%;

}
.copyright {
    padding: 20px 0;
    font-size: 12px;

}
.half {
}