body {
    margin: 0px;
    font-family: Arial, Helvetica, sans-serif !important;
    font-style: normal;
    font-weight: normal;
    background-color: rgb(22, 22, 22);
}

body .top {
    width: 99.5%;
    height: 3vh;
    font-size: 2vh;
    background-color: rgb(0, 0, 0);
    color: rgb(202, 202, 202);
    padding: 5px;
}

body .top a {
    display: flex;
    color: inherit;
    text-decoration: none;
    align-items: center;
    height: 100%;
    transition: all 0.2s ease;
}

body .top a:hover {
    color: white;
}

body .top a img {
    height: 100%;
}

.content .upper-presentation {
    width: 100%;
    text-align: center;
    height: 100vh;
    position: relative;
}

.content .upper-presentation img {
    height: 40vh;
}

.content .upper-presentation .ref-subtitle {
    color: white;
    font-size: 3.5vh;
    font-weight: lighter;
    font-style: italic;
}

.content .upper-presentation backgroundShowElement {
    height: 100%;
    width: 100%;
    opacity: 0.2;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: block;
}

.content .upper-presentation foregroundShowElement {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
}

.content .upper-presentation .spacing {
    height: 5vh;
    width: 100%;
    display: block;
}

.content .upper-presentation .button {
    background-color: rgb(39, 39, 39);
    color : rgb(185, 184, 184);
    border: none;
    border-radius: 8px;
    padding: 20px;
    font-size: 40px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.content .upper-presentation .button:hover {
    color: white;
    background-color: rgb(34, 34, 34);
}


.content .upper-presentation .main-background-alpha {
    background-image: url('/assets/img/sfondo-main.webp');
}