{
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Segoe UI', Tahoma, Verdana, sans-serif;
  background-color: #b6f6ff;
  color: #333;
  padding: 30px;
} 
h1, h2 {
  margin-bottom: 20px;
  color: #2c3e50;
}
table {
  width: 100%;
  border-collapse: collapse;
  background-color: rgb(191, 207, 246);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 30px;
}
th, td {
  padding: 15px 20px;
  text-align: left;
  border-bottom: 1px solid #d4fdff;
}
th {
  background-color: #3498db;
  color: white;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 1px;
}
tr:hover {
  background-color: #b6e0ff;
}
button, .btn {
  display: inline-block;
  background-color: #3498db;
  color: white;
  border: none;
  padding: 10px 18px;
  font-size: 14px;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 1.0s ease;
  margin: 5px 0;
}
button:hover, .btn:hover {
  background-color: #2679af;
}
form {
  background-color: rgb(157, 185, 255);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  max-width: 500px;
  margin-bottom: 30px;
}
label {
  display: block;
  margin-bottom: 10px;
  font-weight: bold;
}
input[type="text"],
input[type="number"],
textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 20px;
  border-radius: 5px;
  border: 1px solid #ccc;
  font-size: 14px;
  resize: vertical;
}
.stats {
  background-color: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  max-width: 300px;
  margin-top: 20px;
}