4 embed, iframe, img { border:
1px solid black; width:
25px; height:
25px; }
8 <div style=
"width: 30px; border: 1px solid red;">
9 <input type=
"text"><input type=
"text">
11 <input type=
"button" value=
"input"><input type=
"button" value=
"input">
12 <button>button
</button><button>button
</button>
13 <select><option>select
</option></select><select><option>select
</option></select>
14 <select size=
"3"><option>select
</option></select><select size=
"3"><option>select
</option></select>
15 <input type=
"checkbox"><input type=
"checkbox">
16 <input type=
"radio"><input type=
"radio">
17 <iframe></iframe><iframe></iframe>
18 <embed></embed><embed></embed>