.containerLezioni {
    box-shadow: var(--borderShadow);
    border-radius: 20px;
    max-width: 800px;
    margin: 0 auto;
    background: rgb(23, 21, 22);
    color: antiquewhite;
    padding: 30px;
    line-height: 2rem;
}

summary {
    color: var(--accentColor);
}

.containerLezioni h1 {
    color: antiquewhite;
}

.sezioneTitolo h3 {
    color: var(--crema);
    text-align: center;
    padding: 20px;
    line-height: normal;
    font-size: 1.69rem;
}

ul {
    padding-left: 25px;
    padding-right: 10px;
    line-height: 20px;
}

li {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: var(--colors_brand);
    font-weight: 600;
}

h4 {
    margin: 0;
    padding: 10px;
    font-size: 1.2rem;
    font-variant: small-caps;
}

h2,
h3 {
    margin: 0;
    padding: 10px;
    line-height: normal;
}

.landing {
    max-width: 900px;
    margin: 0 auto;
}

.centerFing {
    text-align: center;
    /*     margin-bottom: 70px !important; */
    padding-top: 10px;
    color: var(--colors_brand);
    font-size: 1.3rem;
}

.centerFing2 {
    text-align: center;
    margin-bottom: 70px !important;
    padding-top: 10px;
    color: var(--colors_brand);
    font-size: 1.16rem;
}

.btn {
    width: 300px;
    padding: 10px 50px;
    font-size: 1.5rem;
    color: white;
    background: var(--colors_brand);
    border: none;
    border-radius: 5px;
    box-shadow: -15px -15px 15px rgba(255, 255, 255, 0.2),
        15px 15px 15px rgba(29, 27, 27, 0.1),
        inset -5px -5px 5px rgba(255, 255, 255, 0.2),
        inset 5px 5px 5px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
    margin-top: 25px;
    margin-bottom: 25px;
}

.btn:hover {
    background-color: var(--accentColor);
    cursor: pointer;
    color: black;
}

/* iframe youtube */
.youtubeBox {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    text-align: center;
    padding: 20px;
    width: 100%;
    padding-top: 56.25%;
    /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) */
}

/* Then style the iframe to fit in the container div with full height and width */
.responsive-iframe {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    box-shadow: var(--borderShadow);
}

.youtubeBox iframe {
    box-shadow: var(--borderShadow);
}

/* Cellulari e pad */
@media screen and (max-width:770px) {

    .imgRound,
    .containerLezioni {
        border-radius: 0;
    }

    h1 {
        padding: 10px;
        font-size: 1.8rem;
    }
}