/* Grundlegende Stile */
body,
html {
  margin: 0;
  padding: 0;
  overflow: hidden;
  width: 100%;
  height: 100%;
  background-color: #98aaae;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
::selection {
  background: transparent;
}
canvas#world {
  display: block;
}

/* Zentrale Div */
#center-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
  background: #fffe;
  padding: 16px;
}

#center-content img {
  max-height: 44px;
  padding: 16px;
}

#center-content h1 {
  font-size: 1em;
  color: #3c5f64;
  margin: 10px 0;
}

#center-content a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

/* Kontaktbereich */
#kontakt {
  position: relative;
  padding: 50px;
  background-color: #fff;
  z-index: 2;
}

/* Canvas für Matter.js */
#world {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

button {
  background-color: #3c5f64;
  color: #fff;
  border: none;
  padding: 10px 20px;
  font-size: 1em;
  cursor: pointer;
  margin: 10px;
}