body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #f4f4f4;
  padding: 20px;
}

form {
  background: #fff;
  padding: 15px;
  display: inline-block;
  border-radius: 10px;
  box-shadow: 0 0 10px #ccc;
  margin-bottom: 30px;
}

form label {
  display: block;
  margin: 10px 0;
}

button {
  padding: 8px 20px;
  margin-top: 10px;
  background-color: lightgreen;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

table {
  margin: 0 auto;
  border-collapse: collapse;
  width: 90%;
}

th, td {
  border: 1px solid #ddd;
  padding: 10px;
}

th {
  background-color: #4CAF50;
  color: white;
}

.delete-btn {
  background-color: red;
  color: white;
  padding: 5px 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}