.cards-grid {
    display: grid;
    flex-direction: column;
    grid-template-columns: repeat(auto-fill, minmax(550px, 1fr));
}

.testimonial-title {
    font-size: 36px;
    align-content: center;
    text-align: center;
    margin: 0.5em 0;
}

.card {
    font-family: inherit;
    font-size: 24px;
    align-content: center;
    text-align: center;
    border: 1px solid black;
    padding: 1em;
    margin: 1em 2em;
    display: inline-block;
}

.spoiler {
    color: var(--spoiler-color);
    background-color: var(--spoiler-color);
}

.spoiler::selection {
    color: var(--spoiler-color);
    background-color: var(--spoiler-color);
}