html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
  color: whitesmoke;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

p, a {
  font-size: clamp(0.9rem, 2vw, 1.3rem);
  margin: 0;
}

.top, .bottom {
  padding: 10px;
  margin: 0;
}

a:link { color: wheat; }
a:visited { color: whitesmoke; }
.quote { font-style: italic; }

.footer { word-break: break-word; max-width: 96vw; }

/* overall layout container */
.video-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

/* large video */
.video-large {
  width: 100%;
  aspect-ratio: 16/9;
  margin-bottom: 20px;
}

.video-large iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* row of 3 small videos */
.video-row {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;   /* ensures mobile responsiveness */
}

/* small video boxes */
.video-small {
  width: 30%;          /* 3 side by side */
  min-width: 250px;    /* ensures they don't get too tiny */
  aspect-ratio: 16/9;
}

.video-small iframe {
  width: 100%;
  height: 100%;
  border: none;
}