/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  background: #ffffff;
  color: #000000;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* BODY: Only horizontal centering now */
body {
  display: flex;
  justify-content: center;   /* horizontal center */
  padding-top: 20px;         /* controls top spacing */
}

/* Main block */
.center {
  text-align: center;
  max-width: 800px;
  width: 100%;
  padding: 0 20px;
}

/* Typography */
h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.tagline {
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-note {
  font-size: 0.9rem;
  margin-top: 20px;
  opacity: 0.7;
}

/* GIF */
.gif {
  display: block;
  margin: 0 auto;
  width: 800px;        /* target max width */
  max-width: 100%;     /* shrink on smaller screens */
  height: auto;
  /* no border */
  /* no padding */
}