#intro_section {
    display: block;
    width: 100%;
    height: auto;
    padding-bottom: min(24px, max(5vw, 16px));
}
#intro_section > .intro_slides {
    border-radius: min(24px, max(5vw, 16px));
    overflow: hidden;
}
#intro_section > .intro_slides,
#intro_section > .intro_slides > .intro_slide {
    display: block;
    width: 100%;
    height: auto;
}
#intro_section .intro_slide > img {
    display: block;
    width: 100%;
    height: auto;
}