fairplaysk/datacamp

.hidden {
  display: none; }

.fl {
  float: left; }

.fr {
  float: right !important; }

.fn {
  float: none; }

.tr {
  text-align: right; }

.relative {
  position: relative; }

.inline {
  display: inline !important;
  float: none !important; }

input.inline, select.inline {
  width: 40px !important; }