:root {
  --surface: rgba(255, 255, 255, 0.88);
  --line: rgba(31, 42, 55, 0.12);
}

.sect__content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.sect__content > article {
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--surface);
    box-shadow: 0 1.2rem 3rem rgba(31, 42, 55, 0.08);
    backdrop-filter: blur(0.8rem);
}

.sect__content > article h2 {
    font-size: 1.6rem;
    font-weight: bold;
    cursor: pointer;
}

.sect__content > article h2::before {
    content: "\f0fe";
    font-family: "Font Awesome 5 Free";
    font-weight: 400;
    text-align: center;
    width: 1.25em;
    display: inline-block;
    margin-right: 0.5rem;
}

.sect__content > article h2.opened::before {
    content: "\f146";
}

.sect__content > article ul {
    display: none;
    margin-top: 0.5rem;
    padding-left: 1.25rem;
}

.sect__content > article ul li {
    margin-bottom: 0.25rem;
}

.sect__content > article ul li a {
    color: #0000ff;
}

@media only screen and (max-width: 950px) {
    .sect__content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media only screen and (max-width: 767px) {
    .sect__content {
        grid-template-columns: 1fr;
    }
}