.tab-content-main {
    display: none;
}

.tab-content-main.active {
    display: block;
}

.tab-content-inner {
    display: none;
}

.tab-content-inner.active {
    display: block;
}

.tabs-buttons {
    display: flex;
}

.tab-button:hover {
    background-color: #f0f0f0;
    font-weight: 500;
    border: 2px solid #009FE3;
}

.tabs-buttons .tab-button.active {
    background-color: #009FE3;
    color: white;
    font-weight: 500;
    border: 2px solid #009FE3;
}

.tab-button {
    background-color: white;
    border: none;
    color: #009FE3;
    font-family: "Poppins", sans-serif;
    font-weight: normal;
    padding: 1vh 2vh;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: max-content;
    border: 2px solid transparent;
    box-sizing: border-box;
}


/* ============================================================
   DESKTOP (min-width: 780px)
   ============================================================ */

@media screen and (min-width: 780px) {

    .tab-button {
        font-size: 20px;
    }

    .tab-button:hover {
        font-size: 22px;
    }

    .tab-button.active {
        font-size: 22px;
    }

    .tab-button {
        margin: 2px 2px 20px 5px;
    }

}

/* ============================================================
   MOBILE (max-width: 780px)
   ============================================================ */

@media screen and (max-width: 780px) {

    /* FIRST ROW */
    #Presentation > .tabs-buttons {
        margin-top: 200px;
        flex-direction: column;
    }

    /* SECOND ROW */
    #projets .tabs-buttons {
        flex-direction: column;
        margin-top: 0;
    }
    
    .tab-button {
        margin: 2px 2px 2px 2px;
        border: 2px solid #009FE3;
    }
}