:root {
    --interest-color: #3a6351;
}

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

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

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

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

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

.interest-flex {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.box-iframe {
    margin: 1em;
}

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

@media (max-width: 600px) {
    .interest {
        min-height: calc(100vh - 50px);
    }

    .box-iframe {
        width: 350px;
    }

    .box-iframe iframe {
        width: 100%;
    }
}