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

body {
  background: #f3f4f7;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background: #fff;
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  text-align: center;
  width: 100%;
  max-width: 420px;
}

h2 {
  margin-bottom: 20px;
  color: #333;
}

label {
  display: block;
  text-align: left;
  margin-bottom: 6px;
  color: #444;
}

input[type="url"], input[type="file"], input[type="text"] {
  width: 100%;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
  margin-bottom: 15px;
}

.btn, button {
  background: #28a745;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 20px;
  cursor: pointer;
}

.btn-secondary {
  background: #007bff;
  text-decoration: none;
  padding: 10px 20px;
  color: #fff;
  border-radius: 6px;
}

.btn-group {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
}