header{
    position: relative;
}
header h1{
    position: relative;
    background-color: unset;
    color: var(--gris3);
    left: 0;
    padding: 25vmin 0 0 2vmin;
}
h1::first-letter{
    color: var(--jaune);
}
section{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-around;
    margin-top: 10vh;
}

.item_actus{
    width: 400px;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    margin-bottom: 30px;
    margin-right: 20px;
}
.item_actus:hover{
    background-color: #F5F5F5;
    box-shadow: 10px 10px 10px rgb(0 0 0 / 10%);
    transition: 0.6s ease;
}
.date_actus{
    display: flex;
    font-family: var(--typo1);
    font-size: calc(36 * var(--res));
    font-weight: bolder;
    color: var(--jaune);
    align-self: center;
    text-align: center;
    writing-mode: vertical-rl;
    text-orientation: sideways;
    height: 27%;
    justify-content: flex-end;
}
.visuel_actus{
    width: 70%;
}
.clip_actu{
    overflow: hidden;
    position: relative;
    height: 25vh;
    min-width: 100%;
    margin-bottom: 10px;
    display: flow-root;
}
.visuel_actus img{
    width: 100%;
}
.texte_actus{
    text-align: justify;
    font-family: var(--typo2);
    color: var(--gris3);
    max-height: 13vmin;
    overflow: hidden;
}
@media screen and (max-width: 500px) {
    .date_actus{
        font-size: calc(65*var(--res));
    }
    
}