body {
  font-family: "Arial", sans-serif;
  font-size: 120%;
  line-height: 1.6;
  color: #333;
  background-color: #dddddf;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

div#outer {
  max-width: 100rem;
  position: relative;
  margin: 0 auto;
  background-color: #ffffff;
  box-shadow: 0 0 14px rgba(0, 0, 0, 0.7);
  border: 1px solid #999999;
}

div#inner {
  max-width: 100rem;
  margin: 0 auto 0;
  padding: 20px;
}

header {
  background-image: url(https://www.ess-rv.de/talk-tutorial/gfx/header.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center right;
  width: 100%;
  max-height: 340px;
  height: 240px;
}

header a {
  display: block;
  width: 100%;
  height: 100%;
}

.tutorial-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.text-card,
.image-card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 20px;
  transition: transform 0.3s ease;
}

.text-card:hover,
.image-card:hover {
  transform: translateY(-5px);
}

.text-card h2 {
  color: #3498db;
  border-bottom: 2px solid #3498db;
  padding-bottom: 10px;
}

.image-card img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.image-card img.shadow {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.image-card p {
  text-align: center;
  margin-top: 10px;
  font-style: italic;
  color: #7f8c8d;
}

.step-number {
  background-color: #0082c9;
  color: white;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 10px;
  font-size: 140%;
}

code {
  font-size: 140%;
}