body, html {
  margin: 0;
  padding: 0;
  height: 100%;
}

.background {
  /* Hintergrundbild setzen */
  background-image: url('background.jpg');
  background-size: cover;
  background-position: center;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle {
  width: 350px;
  height: 350px;
  /* background-color: rgba(255, 255, 255, 0.8); */ /* halbtransparentes Weiß */
   background-color: #C0C0C0; /* deine Farbe */
    opacity: 0.55; /* Transparenz auf 25% */
  border-radius: 50%; /* Kreisform */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: left;
  color: #FFFFFF; /* Deine Farbe */
  font-weight: bold;
  font-size: 20px;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

h1 {
  color: red; /* Farbe der Schrift */
  font-weight: bold; /* Fette Schrift */
}

footer { 
  position: fixed;
  bottom: 0;
  width: 100%;   
  text-align: center;
  font-weight: bold;
  font-size: 16px;
  padding: 20px;
  /* Optional: Hintergrundfarbe, Padding etc. */ }