body,
html {
  height: 100%;
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-image: url("bakimda.png"); /* Arka plan fotoğrafınızı buraya yükleyin */
  background-size: cover;
  background-position: center;
}

.header {
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 20px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  position: fixed;
  width: 100%;
  top: 0;
}

h1 {
  margin: 0;
  font-size: 2em;
}