メモ代わりに最近よく使っているCSSリセットとClearFixを晒してみます。
[css]
/*==============================
Reset CSS
==============================*/
body,div,dl,dt,dd,ul,ol,li,
h1,h2,h3,h4,h5,h6,
pre,form,fieldset,input,textarea,p,
blockquote,table,th,td{
	margin:0;
	padding:0;
	outline:0;
}
table {
   border-collapse:collapse;
   border-spacing:0;
   border:none;
}
body{
	font:81.25%/1.231 "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "MS Pゴシック", "MS PGothic", sans-serif;
	color:#333;
}
body,h1,h2,h3,h4,h5,h6,p,strong,em{
	font-style:normal;
	font-weight:normal;
	line-height:normal;
	text-decoration:none;
}
ol,ul{list-style:none;}
h1,h2,h3,h4,h5,h6,p{font-size:1em;}
strong,em{font-weight:bold;}
img{border:none; vertical-align:middle;}
a{text-decoration:none; color:#000;}
a:hover{text-decoration:none;}
address{
	font-style:normal;
}
[/css]
[css]
/*==============================
Clearfix
==============================*/
.clearfix:after{
	display:block;
	content:".";
	height:0;
	clear:both;
	visibility:hidden;
}
.clearfix{
	zoom:1;/*For IE6 and IE7*/
}
[/css]