#footer .round-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    display: block;
    align-items: center;
    justify-content: center;
    text-align: center;
    vertical-align: middle;
    transition: background 0.3s ease;
    color: var(--BC-Vert-2, #00503F) !important;; /* couleur de l'icône */
    text-decoration: none;
    padding-top:0px;
    font-size: 22px;
    margin-right: 10px;
    float: left;
}

#footer .round-btn:hover {
    background:  var(--BC-Vert-3, #97DABD) !important;/* fond au hover (LinkedIn bleu par ex.) */
    color:var(--BC-Vert-2, #00503F);;;

}
#footer .round-btn:hover a{
    color: var(--BC-Vert-2, #00503F);; !important;/* couleur de l’icône au hover */
    transform: scale(1.1);        /* petit zoom au hover */
}

.round-btn2 {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    border:solid 1px #00503F;
    display: block;
    align-items: center;
    justify-content: center;
    text-align: center;
    vertical-align: middle;
    transition: background 0.3s ease;
    color: var(--BC-Vert-2, #00503F);; /* couleur de l'icône */
    text-decoration: none;
    padding-top:0px;
    font-size: 22px;
    margin-right: 10px;
    float: left;
}
.round-btn2:hover {
    background:  #00503F !important;/* fond au hover (LinkedIn bleu par ex.) */
    color:white !important

}
.round-btn:hover a{
    color: var(--BC-Vert-2, #00503F);; !important;/* couleur de l’icône au hover */
    transform: scale(1.1);        /* petit zoom au hover */
}
.btn_reseau{
    margin-top:20px
}
.btn_twitter{margin-right:10px}
.btn_twitter img.hover {    display: none;}
.btn_twitter:hover img.normal {    display: none;}
.btn_twitter:hover img.hover {    display: inline;}

.btn_facebook{margin-right:10px}
.btn_facebook img.hover {    display: none;}
.btn_facebook:hover img.normal {    display: none;}
.btn_facebook:hover img.hover {    display: inline;}

.btn_linkedin{margin-right:10px}
.btn_linkedin img.hover {    display: none;}
.btn_linkedin:hover img.normal {    display: none;}
.btn_linkedin:hover img.hover {    display: inline;}