HTML Form How to - Expand textarea to width of container

Question

We would like to know how to expand textarea to width of container.

Answer


<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
.container {<!--   www  . j av a2s  .  c o  m-->
  width: 300px;
  border: black solid 1px;
  margin: 10px;
}

.container>div {
  display: block;
  padding: 10px;
  background: red;
}

.container>textarea {
  display: block;
  padding: 10px;
  background: red;
  width: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
</style>
</head>
<body>
  <div class='container'>
    <div>test</div>
  </div>
  <div class='container'>
    <textarea>test</textarea>
  </div>
</body>
</html>

The code above is rendered as follows: