* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #fff;
  background: #000;
  overflow: hidden;
  text-align: center;
}
.slideshow, .slideshow::before {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  transition: background-image 1s ease-in-out;
}
header {
  position: relative;
  margin-top: 3rem;
}
h1 {
  font-size: 3rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}
main {
  position: relative;
  top: 40vh;
}
main p {
  max-width: 600px;
  margin: 0 auto 2rem auto;
  font-size: 1.2rem;
  color: rgba(255,255,255,0.9);
}
.notabum {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: all 0.3s ease;
}
.notabum:hover {
  background: rgba(255,255,255,0.3);
  color: #fff;
}
.hint {
  display: block;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}
footer {
  position: absolute;
  bottom: 20px;
  width: 100%;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}