body {
  background: rgba(255,255,255,.15);
}

.container-fluid {
  max-width: 1200px;
}

header {
  background: rgba(255,255,255,.15);
  padding: 2em 1em;
  color: #fff;
  margin-bottom: 2em;
}
header h1 {
  font-weight: 200;
}

.card {
  background: rgba(255,255,255,.15);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}
.card img {
  width: 100%;
}

[class*=row] {
  margin-bottom: 1em;
  justify-content: center;
}

[class*=col-] {
  background: rgba(255,255,255,.15);
  
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  width: 100%;
}