.titre {
    color: #3d3d3c!important;
    font-size: 32px;
    text-decoration: none !important;
    line-height: 42px;
    margin-bottom: 20px;
    display: block;
}

.box-desc {
    margin-top: 35px;
}

.c-desc {
    font-family: 'Open Sans', sans-serif;
}
.image-principale-home {
    width: 98% !important;
}
.box-btn-home {
    margin-top: 40px;
}

.box-btn-home .btn-plus {
    color: #000 !important;
    text-decoration: none !important;
    padding: 10px 35px 12px 35px;
    border: 1px solid;
    transition: all .3s;
    text-align: center;
}
.btn-plus:hover {
  color: #e2242d !important;
}
.box-news {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}
.box-presentation p {
    font-family: 'Open Sans', sans-serif;
    line-height: 24px;
    margin-bottom: 25px;
    text-align: justify;
    font-size: 15px;
}
@media screen and (max-width: 1600px) {

}
@media screen and (max-width: 1440px) {

}
@media screen and (max-width: 1366px) {
.titre {
    font-size: 42px;
}
}
@media screen and (max-width: 1280px) {

}
@media screen and (max-width: 1200px) {
.titre {
    font-size: 40px;
}
}
@media screen and (max-width: 1024px) {
.titre {
    font-size: 30px;
}
.c-desc {
    font-size: 16px;
}
.btn-plus {
     font-size: 16px;
}
}
@media screen and (max-width: 991px) {
.image-principale-home img {
    margin: 0 auto;
    display: block;
}
.titre {
    font-size: 35px;
    text-align:center;
    display:block;
}
.box-btn-home {
    margin-top: 10px;
}
.btn-plus {display: block;margin: 30px auto;width: 260px;}
.image-principale-home {
    width: 100% !important;
}
}
@media screen and (max-width: 800px) {

}
@media screen and (max-width: 768px) {

}
@media screen and (max-width: 500px) {

}
@media screen and (max-width: 320px) {

}