자문 자답입니다.

css의 초기화를 안해줘서 그렇군요.

http://www.xeschool.com/xe/bluenote_1_02

참고하시길 바랍니다.

사용 예 :

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {

   margin: 0;
   padding: 0;
   border: 0;
   font-size: 100%;
   font: inherit;
   vertical-align: baseline;
}

body { line-height: 1; }
ol, ul { list-style: none; }
blockquote, q { quotes: none;}
blockquote:before, 
blockquote:after,
q:before, q:after {
	content: ''; 
	content: none;
}
table {
	border-collapse: 
	collapse;border-spacing: 0;
}