Fonts

<section id="sans" class="usa-section grid-container">
    <h4 class="usa-heading-alt">Source Sans Pro (<tt>.usa-sans</tt>)</h4>

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            <p>Source Sans Pro is an open-source sans serif typeface created for legibility in UI design. With a variety of weights that read easily at all sizes, Source Sans Pro provides clear headers as well as highly-readable body text.</p>
            <p>Inspired by twentieth-century American gothic typeface design, its slender but open letters offer a clean and friendly simplicity. Advanced hinting allows Source Sans Pro to render well on Windows systems which run Cleartype, and across browsers and devices. Moreover, it supports a variety of languages and alphabets, including Western and European language, Vietnamese, pinyin Romanization of Chinese, and Navajo.</p>

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            <span class="text-huge">Aa</span>
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                <p class="text-tiny">A B C D E F G H I J K L M N O P Q R S T U V W X Y Z</p>
                <p class="text-tiny">a b c d e f g h i j k l m n o p q r s t u v w x y z</p>
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<section id="serif" class="usa-section grid-container">
    <h4 class="usa-heading-alt">Merriweather (<tt>.usa-serif</tt>)</h4>

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            <p>Merriweather is an open-source serif typeface designed for on-screen reading. This font is ideal for text-dense design: the letterforms have a tall x-height but remain relatively small, making for excellent readability across screen sizes while not occupying extra horizontal space.</p>
            <p>The combination of slim and thick weights gives the font family stylistic range, while conveying a desirable mix of classic, yet modern simplicity. Merriweather communicates warmth and credibility at both large and smaller font sizes.</p>

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            <span class="text-huge">Aa</span>
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                <p class="text-tiny">A B C D E F G H I J K L M N O P Q R S T U V W X Y Z</p>
                <p class="text-tiny">a b c d e f g h i j k l m n o p q r s t u v w x y z</p>
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<style scoped>
    .text-tiny {
        margin: 5px initial 0;
    }

    .text-tiny:first-child {
        margin-top: 0;
    }

    .text-huge {
        font-size: 140px;
        line-height: 1.05;
    }

    .text-tiny {
        font-size: 15px;
    }

    .typography-serif-intro .text-huge {
        font-size: 120px;
        line-height: 1.275;
    }

    .typography-serif-intro .text-tiny {
        font-size: 13px;
    }
</style>