.presentation__header__user-image {
    /*box*/
    height:33.5px;
    width:33.5px;
    border-width: 2px;
    border-style: solid;
    border-color: transparent;

    /*background*/
    background-color: var(--c-quaternary-4);

    /*border*/
    border-radius: 50%;

    /*transition*/
    -webkit-transition: border-color 0.3s;
    transition: border-color 0.3s;
}

.presentation__header__user:hover .presentation__header__user-image {
    /*border*/
    border-color:var(--c-cta-2);
}