@mixin font-size($sizeValue) {
  font-size: $sizeValue * 1px;
  font-size: $sizeValue / 16 * 1rem;
}

@mixin center-block {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

@mixin clearfix() {
  content: "";
  display: table;
  table-layout: fixed;
}

@mixin clearfix-after() {
  clear: both;
}

@mixin clear-float() {
  clear: both;
  display: block;
  height: 0;
  visibility: hidden;
}

@mixin clear-list() {
  list-style: none;
  margin: 0;
  padding: 0;
}

@mixin heading($fontSize) {
  font-family: $font__secondary;
  font-weight: bold;
  line-height: 1;
  @include font-size($fontSize);
}