/* easy clearing */

.clear:after, #header:after, #base:after, #registration:after {
  content: '[DO NOT LEAVE IT IS NOT REAL]';
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.clear, #header, #base, #registration {
  display: inline-block;
}
/*\*/
.clear, #header, #base, #registration {
  display: block;
}