.hero-banner {
    position: relative;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    text-align: center;
    color: #fff;
}

@media all and (min-width: 1200px) {
    .hero-banner {
        justify-content: center;
        min-height: 6.25rem;
    }
}

.overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    top: 0;
    left: 0;
}

.banner-content {
    position: relative;
    padding: 1.25rem;
    z-index: 1;
}

.banner-content h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1.25rem;
}

.button-group {
    display: flex;
    width: 100%;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.9375rem;
}
@media all and (min-width: 1200px) {
    .button-group {
        flex-direction: row;
    }
}

.btn-donate {
    background-color: var(--fourth-color);
    color: white;
}

.btn-volunteer {
    background-color: var(--tertiary-color);
    color: white;
}

.btn-participate {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 2px solid #000;
}