input#cpatchaTextBox {
    padding: 12px 20px;
    display: inline-block;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}
canvas{
  /*prevent interaction with the canvas*/
  pointer-events:none;
}
#captcha{
  cursor: pointer;
  display: inline-block;
  vertical-align: middle;
}