body {
    margin: 0;
    font-size: 16px;

    position: relative;

    display: flex;
    flex-direction: column;
    align-items: center;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;

    color: #fff;
    background: #333;

    width: 100%;
}

.nav-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-item.logo {
    font-size: 28px;
    font-weight: 600;

    color: #192f38;
    background: linear-gradient(to right, #e6fd6e, #67a7c3);

    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
}

.nav-item {
    padding: 10px;
}

button.action {
    /* reset */
    appearance: none;
    font: inherit;

    border: none;
    background: none;

    /* style */
    background: linear-gradient(to right, #ff7300, #ffd000);

    border-radius: 16px;

    font-size: 18px;
    font-weight: 600;

    padding: 4px 16px;

    color: #fff;
}

img {
    position: absolute;
    top: 54px;

    width: 100%;

    z-index: -1;
}

.main {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

.main > .highlight {
    grid-column: span 2;
}