/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Page styling */
body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f4f6f8;
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Course title */
h1 {
  font-size: 2rem;
  margin-bottom: 5px;
}

h2 {
  color: #555;
  margin-bottom: 20px;
}

/* Input area */
label {
  margin-right: 10px;
  font-weight: bold;
  text-align: center;
}

input {
  padding: 8px;
  margin-right: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

/* Button styling */
button {
  padding: 8px 14px;
  background-color: #2a73cc;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  align-self: center;
  margin-top: 20px;
}

button:hover {
  background-color: #1f5aa3;
}

/* Table styling */
table {
  margin-top: 25px;
  border-collapse: collapse;
  width: 600px;
  background: white;
  box-shadow: 0px 4px 10px rgba(0,0,0,0.1);
}

th, td {
  padding: 12px;
  text-align: center;
}

th {
  background-color: #2a73cc;
  color: white;
}

tr:nth-child(even) {
  background-color: #f2f2f2;
}

tr:hover {
  background-color: #e8f0ff;
}