* {
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}

html { 
    scroll-behavior: smooth; 
}

body {
    font-family: "Gotham SSm A","Gotham SSm B", verdana, sans-serif;
    font-size: clamp(0.9rem, 0.8667rem + 0.1333vw, 1rem);
}

.very-big__title {
    font-size: 3rem;
    margin-bottom: 0.67em;
}

.color-white {
    color: white;
}
.color-mediapro {
    color: var(--c-red-mediapro);
}

.h-v-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.container {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
}

.presentation_container,
.information_container, 
.timeline_container {
    min-height: 100vh;
    width: 100%;
    text-align: center;
}

a.logo_link {
    text-decoration: none;
    position: absolute;
    top: 30px;
    left: 40px;
}

a.logo_link img {
    height: 47px;
    opacity: 1;
}

.lang_menu {
    display: inline-flex;
    flex-direction: row;
    flex-wrap: nowrap;
    flex-grow: 1;
    justify-content: right;
    align-items: center;
    list-style: none;
    position: absolute;
    top: 30px;
    right: 40px;
}

.lang_menu li {
    margin: 0 5px;
    font-size: 14px;
    color: white;
    cursor: pointer;
    /*color: var(--c-red-mediapro);*/
    color: white;
}

.lang_menu li.active {
    font-weight: 700;
    /*color: white;*/
}


.information_container {
    display: none;
    background-color: lightgreen;
}

.timeline_container {
    background-color: var(--color-background);
    max-width: var(--max-width);
    padding-left: 0px;
    padding-right: 0px;
}

footer.app_timeline {
    display: block;
    width: 100%;
    background-color: var(--c-black-01);
    color: white;
    height: var(--footer-height);
    margin-top: var(--space-40);
    padding-top: var(--space-16);
}

a {
    color: currentColor;
    text-decoration: none;
    outline-color: transparent;
    transition: outline-color 350ms;
}
a {
    background-color: transparent;
}

.head_arrow_down.mouse_down {
    transform: translateX(0);
    margin-left: -44px;
    animation-name: bounce;
    animation-duration: .8s;
    animation-delay: 1.5s;
    animation-iteration-count: 3;
    animation-timing-function: linear;
}

.head_arrow_down {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    padding: 20px;
    cursor: pointer;
    transition: all .2s;
}

.head_arrow_down:hover {
    transform: scale(1.2);
}

img {
    border: 0;
}

@-moz-keyframes bounce {
    0%,100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(10px)
    }
}

@-webkit-keyframes bounce {
    0%,100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(10px)
    }
}

@-o-keyframes bounce {
    0%,100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(10px)
    }
}

@keyframes bounce {
    0%,100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(10px)
    }
}