textarea {
    width: 100%;
    height: 150px;
    padding: 12px 20px;
    box-sizing: border-box;
    border: 2px solid #ccc;
    border-radius: 4px;
    background-color: #f8f8f8;
    font-size: 16px;
    resize: none;
}

.button {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
}

.button {
    background-color: #4CAF50; /* Green */
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    margin: 4px 2px;
    cursor: pointer;
}

.button1 {font-size: 10px;}
.button2 {font-size: 12px;}
.button3 {font-size: 16px;}
.button4 {font-size: 20px;}
.button5 {font-size: 24px;}
</style>
<style type="text/css">
<!--
#fondo {
  font-family: sans-serif;
  background: green;
	style="margin-top: 10"
}
h2 {
  margin: 5px 0;
}
#wrapper {
  width: 80%;
  margin: 0 auto;
  background: white;
  padding: 10px 15px;
  border-radius: 10px;
}
input {
  margin: 5px 10px;
}
button {
  font-size: 18px;
  padding: 10px;
  margin: 20px 0;
  color: white;
  border: 0;
  border-radius: 10px;
  border-bottom: 3px solid #333;
}
#submit {
  background: green;
}
#reset {
  background: red;
}
#answer {
  border: 1px dashed #ccc;
  background: #eee;
  padding: 10px;
}