body, h1 {
  margin: 0;
  padding: 0;
}

/* Global styles */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: url('https://images.pexels.com/photos/1292241/pexels-photo-1292241.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') center center fixed;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  overflow: hidden; 
}

header {
  border-top-left-radius : 20px;
  border-bottom-left-radius : 20px;
  background-color: rgba(51, 51, 51, 0.8);
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 24px;
}

.container {
  max-width: 180vh; 
  max-height: 100vh; 
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  padding: 20px;
  text-align: center;
  margin: 0px; 
  overflow: auto; 
}

/* Button styles */
button {
  background-color: #ff6b6b;
  color: white;
  border: none;
  border-radius: 5px;
  padding: 8px 10px;
  cursor: pointer;
  margin: 5px;
  font-size: 15px;
  transition: background-color 0.3s ease-in-out;
  border: 2px solid #e44d4d;
}

button.active {
  background-color: #ff4f4f;
}

button:hover {
  background-color: #e44d4d;
}

/* Label and input styles */
label {
  font-size: 16px;
}

input[type="color"],
input[type="range"],
select {
  border: none;
  border-radius: 5px;
  padding: 10px;
  margin: 5px;
  font-size: 15px;
  width: 100px;
  background-color: rgba(255, 255, 255, 0.8);
  border: 2px solid #ccc;
}
/* Update the CSS for brush size input and icon */
input[type="range"] {
  vertical-align: middle; 
  border: none;
  border-radius: 5px;
  padding: 10px;
  margin: 5px;
  font-size: 15px;
  width: 100px;
  background-color: rgba(255, 255, 255, 0.8);
  border: 2px solid #ccc;
}

label[for="brushSize"] {
  vertical-align: middle; 
  font-size: 16px;
  margin-right: 5px;
}

/* Canvas styles */
canvas {
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}