body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f2f2f2;
  color: #333;
  padding: 20px;
  line-height: 1.6;
}

h1 {
  color: #2c3e50; 
  font-size: 1.8em;
  margin-bottom: 0.7em;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2); 
  text-align: center;
}

h2 {
  color: #34495e; 
  font-size: 1.4em;
  padding: 0 8px;
  border-left: #4d7aa8 solid 4px;
}

p {
  color :#34495e;
  font-size: 0.9em;
}

input[type="text"], button {
  width: 75%;
  padding: 10px;
  margin: 10px 0;
  border-radius: 5px;
  border: 1px solid #ccc;
  box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
}

input[type="text"] {
  box-sizing: border-box;
}

button {
  width: auto;
  background-color: #4caf50;
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #45a049;
}

.warning {
  color: red;
  margin-top: 5px;
}

.container {
  width: 70%;
  margin: auto;
  overflow:scroll
}

@media screen and (max-width: 700px) {
  h1 {
    font-size: 1.3em;
  }

  h2 {
    font-size: 1.1em;;
  }

  p {
    font-size: 0.7em;
  }
  
  .container {
      width: 95%;
      margin: 20px auto;
  }

  input[type="text"], button {
      width: 100%;
  }
}