body {
  -webkit-font-smoothing: antialiased;
  color: $app-text-color;
  font-family: $app-font-family;
  font-size: $app-font-size;
  text-rendering: optimizeLegibility;
}

@mixin h1() { font-size: 24px;  font-weight: 700; line-height: 32px; }
@mixin h2() { font-size: 22px; font-weight: 600; margin-bottom: 26px; }
@mixin h3() { font-size: 20px; font-weight: 600; margin-bottom: 24px; }
@mixin h4() { font-size: 18px; font-weight: 600; margin-bottom: 22px; }
@mixin h5() { font-size: 16px; font-weight: 600; margin-bottom: 20px; }
@mixin h6() { font-size: 14px; font-weight: 600; margin-bottom: 18px; }

h1, .h1 { @include h1(); }
h2, .h2 { @include h2(); }
h3, .h3 { @include h3(); }
h4, .h4 { @include h4(); }
h5, .h5 { @include h5(); }
h6, .h6 { @include h6(); }