body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

table,
th,
td {
  border: 1px solid black;
}

th,
td {
  padding: 8px;
  text-align: left;
}

form {
  margin-bottom: 15px;
}

input,
button {
  padding: 6px;
  margin: 4px;
}

@media (max-width: 600px) {
  table,
  th,
  td {
    font-size: 12px;
  }
  input,
  button {
    width: 100%;
    margin: 5px 0;
  }
}