/**MISC**/
.spacer {margin:0; padding:0; font-size:0px; clear:both;}
p {margin:0; padding:0 0 20px 0;}
td, tr {vertical-align:top; margin:0; padding:0;}
tbody {border:none;}
a {outline:none;font-weight:bold; color:#663333; text-decoration:none;}
a:hover {text-decoration:underline;}
img {margin:0; padding:0;}
li, ul, .item-list ul li {list-style:none; list-style-type:none; list-style-image:none; margin:0; padding:0;}
li.leaf {list-style:none;}
table {width:100%;}
td {padding:5px;}
h1,h2 {margind:0; padding:0;}
#edit-preview {display:none;}
#comment-form .tips, #comment-form a {display:none;}

Just my personal favorite defaults

Drupal CSS Resets

css, drupal

CSS