wagtail/client/scss/elements/_typography.scss

@include webfont(Open Sans, opensans-light, 300, normal);
@include webfont(Open Sans, opensans-regular, 400, normal);
@include webfont(Open Sans, opensans-semibold, 600, normal);
@include webfont(Open Sans, opensans-bold, 700, normal);
@include webfont(Roboto Slab, robotoslab-regular, 400, normal);
@include webfont(Roboto Slab, robotoslab-bold, 700, normal);

body {
    -webkit-font-smoothing: antialiased; // Do not remove!
    font-family: Open Sans, Arial, sans-serif;
    font-size: 85%;
    line-height: 1.5em;
    color: $color-text-base;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
}

h1 {
    line-height: 1.3em;
    font-size: 1.5em;
    text-transform: uppercase;
    color: $color-grey-1;
    font-weight: 600;

    span {
        text-transform: none;
        font-weight: 300;
    }
}

h2 {
    text-transform: uppercase;
    font-size: 1.3em;
    font-family: Open Sans;
    font-weight: 600;
    color: $color-grey-2;
}

p {
    margin-top: 0;
}

a {
    // @include transition(color 0.2s ease, background-color 0.2s ease);
    outline: none;
    color: $color-link;
    text-decoration: none;

    &:hover {
        color: $color-link-hover;
    }
}

code {
    box-shadow: inset 0 0 4px 0 rgba(0, 0, 0, 0.2);
    background-color: $color-fieldset-hover;
    padding: 2px 5px;
}

kbd {
    border-radius: 3px;
    font-family: Open Sans, Arial, sans-serif;
    border: 1px solid $color-grey-2;
    border-color: rgba(0, 0, 0, 0.2);
    padding: 0.3em 0.5em;
}

dl,
dt,
dd {
    padding: 0;
    margin: 0;
}

dl {
    margin-top: 1em;
}

dt {
    color: $color-grey-2;
    text-transform: uppercase;
    font-size: 0.9em;
}

dd {
    margin-bottom: 1em;
}