table {
  border-collapse: collapse;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

th, td {
  text-align: left;
  padding: 8px;
  border: 1px solid #ddd;
}

th {
  background-color: #f2f2f2;
  font-weight: bold;
}


h1 {
  text-align: center;
}

.center {
  text-align: center;
  margin-bottom: 1em;
}

#wordInput {
  margin-right: 1em;
}

#resultText {
  font-weight: bold;
  margin-top: 1em;
}

#wordTable {
  border-collapse: collapse;
  width: 100%;
}

#wordTable th, #wordTable td {
  border: 1px solid black;
  padding: 0.5em;
}

#wordTable tr:nth-child(even) {
  background-color: #e1e1e1;
}