body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #e9ecef;
}
.container {
  max-width: 900px;
  margin: 30px auto;
  padding: 20px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
h1,
h2 {
  color: #343a40;
}
h1 {
  border-bottom: 2px solid #007bff;
  padding-bottom: 10px;
  margin-bottom: 20px;
}
select {
  display: block;
  width: 100%;
  padding: 10px;
  font-size: 16px;
  margin-bottom: 20px;
  border: 1px solid #ced4da;
  border-radius: 4px;
  box-sizing: border-box;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}
th,
td {
  padding: 12px;
  text-align: left;
  border: 1px solid #dee2e6;
}
th {
  background-color: #f8f9fa;
  color: #495057;
}
tr:nth-child(even) {
  background-color: #f2f2f2;
}
ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}
li {
  background-color: #ffffff;
  padding: 12px;
  border: 1px solid #dee2e6;
  margin-bottom: 5px;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
@media (max-width: 768px) {
  table,
  select {
    font-size: 14px;
  }
  th,
  td {
    padding: 8px;
  }
}