* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}


body {
  height: 100vh;
  background: url('https://i0.wp.com/awesomewallpapersblog.com/wp-content/uploads/2016/08/theoasis-2880x1800-large.jpg?ssl=1') no-repeat center center/cover;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
}


.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1;
}


.content {
  position: relative;
  z-index: 2;
  text-align: center;
}

h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

/* Button styling */
.btn {
  display: inline-block;
  padding: 12px 30px;
  background: #00bcd4;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  border-radius: 30px;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #0097a7;
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  .btn {
    padding: 10px 24px;
    font-size: 0.9rem;
  }
}