var large = document.getElementById('large');
var box1 = document.getElementById('box1');
var box2 = document.getElementById('box2');
large.style.backgroundColor = 'black';
box1.innerHTML = '文字色は赤、文字サイズは24p';
box1.style.color = 'red';
box1.style.fontSize = '24px';
box2.innerHTML = '文字色は白、文字サイズはデフォルト';
box2.style.color = 'white';
js_cc_06_challenge_dom
----------------------
A [Pen](https://codepen.io/m-shinkawa/pen/QxdJGo) by [m-shinkawa](https://codepen.io/m-shinkawa) on [CodePen](https://codepen.io).
[License](https://codepen.io/m-shinkawa/pen/QxdJGo/license).