Userstyle for the new Google Mail preview theme

stylish-gmail.css

@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("mail.google.com") {

div[role=button] {
  padding: 3px 6px !important;
}

div[role=button]:not(:first-child):hover {
  padding: 3px 6px 3px 5px !important;
}

table[role=search] div[role=button],
table[role=search] div[role=button]:hover {
  padding: 7px 12px !important;
}

}