iframe,body,center,form,object,table {
  padding:0px;
  border-width:0px;
  margin:0px;
}
body {
  font-family:Arial;
  line-height:150%;
}

div,td,select {
  padding:0.25em 0.5em 0.25em 0.5em;
}
div::after {
  content:"";
  clear:both;
  display:table;
} ...