body {
  font-family: Arial, sans-serif;
  padding: 16px;
  margin: 0;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

input[type="text"] {
  width: 100%;
  max-width: 400px;
  padding: 10px;
  font-size: 1rem;
  margin-bottom: 16px;
  box-sizing: border-box;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
}

th, td {
  padding: 10px;
  border: 1px solid #ccc;
  text-align: left;
}

tr.hide {
  display: none;
}

@media (max-width: 600px) {
  table, thead, tbody, th, td, tr {
    display: block;
    width: 100%;
  }

  thead {
    display: none;
  }

  tr {
    margin-bottom: 15px;
    border: 1px solid #ddd;
    background: #f9f9f9;
  }

  td {
    border: none;
  }
}