<header>
  <h2 class="title">unescape()</h2>
  <p class="description">Декодує рядок, закодований за допомогою методу escape().</p>
</header>
<main>
  <div class="result">
    <p>
      <label for="escapedString">Введіть закодований рядок:</label>
      <input type="text" id="escapedString" value="Hello%20World%21">
    </p>
    <button id="decodeBtn">Декодувати</button>
    <p>Результат: <span id="decodedResult">Hello World!</span></p>
  </div>
</main>

body {
  font-size: 16px;
  line-height: 1.5;
  font-family: monospace;
}

header {
  background-color: #f1f1f1;
  margin-bottom: 25px;
  padding: 15px;
  -webkit-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  -moz-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
}

header h2.title {
  padding-bottom: 15px;
  border-bottom: 1px solid #999;
}

header p.description {
  font-style: italic;
  color: #222;
}

.result {
  background-color: #f8f8f8;
  padding: 15px;
  -webkit-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  -moz-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
}

button {
  background-color: #0099cc;
  color: white;
  padding: 8px 12px;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #0077a3;
}

document.getElementById('decodeBtn').addEventListener('click', function() {
  const escapedString = document.getElementById('escapedString').value;
  const decodedResult = unescape(escapedString);
  document.getElementById('decodedResult').innerText = decodedResult;
});

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