.hdiv {
    text-align: center;
    max-width: 800px;
    margin: 3em auto;
    padding: 0 1.5em;
}
.hdiv h1 {
    font-size: 2.5em;
    margin-bottom: 0.2em;
}
.hdiv p {
    margin-bottom: 1em;
    font-size: 1.1em;
}

.contentdiv {
    text-align: center;
    max-width: 800px;
    margin: 3em auto;
    padding: 0 1.5em;
}
.contentdiv h2 {
    font-size: 1.5em;
    margin-bottom: 0.2em;
}
.contentdiv ul {
    list-style: none;
    text-align: center;
}
.cardcontainer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2em;
    padding: 2em;
    max-width: 1200px;
    margin: 0 auto;
}