:root {
    --about-color: #583d72;
}

.x {
    color: var(--about-color);
}

.about {
    min-height: calc(100vh - 100px - 50px);
    color: var(--about-color);
}

.about-banner {
    height: 300px;
    background-color: var(--about-color);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.about-banner h1 {
    color: #fff;
    letter-spacing: 5px;
}

.wave {
    position: absolute;
    bottom: 0;
    width: 100%;
}

.about-container {
    width: 85%;
    margin: 1em auto;
}

.principal h2 {
    margin-bottom: 1em;
}

.principal {
    padding-bottom: 2em;
    border-bottom: 5px solid var(--about-color);
}

.about-content {
    margin-top: 2em;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.about-content .card-box {
    width: 500px;
    margin: 1em;
    padding: 1em;
}

.about-content .card-box:nth-child(2) {
    border-right: 5px solid var(--about-color);
    border-left: 5px solid var(--about-color);
}

.about-content .card-box h3 {
    margin-bottom: 1em;
}

@media (max-width: 720px) {
    .about {
        min-height: calc(100vh - 50px);
    }

    .about-content .card-box:nth-child(2) {
        border: none;
    }
}