.border-gradient-v1 {
    margin: auto;
    max-width: 22em;
    position: relative;
    box-sizing: border-box;
    background-clip: padding-box; /* !importanté */
    border: solid transparent; /* !importanté */
    border-radius: 1em;
}
.border-gradient-v1:before {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: -1;
    border-radius: inherit; /* !importanté */
    background: linear-gradient(270deg, #0045A2 0%, #07A2F2 100%);
}

#sidebar,
.siderbar.col-auto{
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 331px;
    text-decoration:none;
   -webkit-transition:all 1s ease;
}

#box___sidebar,
.sidebar__inner{
    position: -webkit-sticky;
    position: sticky;
    bottom: 3rem;
    margin-top: auto;
    flex: 0 0 auto;
    top: unset !important;
}

@media screen and ( max-width: 550px ) {

    #sidebar, .siderbar.col-auto{
        max-width: fit-content;
    }

}

.text_et_sr {
    color: #122257;
    display: inline-block;
    white-space: nowrap;
    font-size: 20px;
    font-weight: 700;
    padding: 5px 0;
}
.text_et_sr::after{
    content: "";
    width: 50px;
    height: 2px;
    background: #122257;
    display: block;
    position: relative;
    bottom: -2px;
}