'htmlでマウスオーバー時に色が変わるボタン <input type="button" value="Google起動" style="background-color:#e6e6fa" , font = "Meiryo" onmouseover="this.style.background='#e0ffff'" onmouseout="this.style.background='#e6e6fa'" onclick="window.open('https://www.google.com/?hl=ja')">