zulip/static/styles/fonts.css

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-ExtraLight-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-ExtraLight-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-ExtraLight-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-ExtraLight-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-ExtraLight-webfont.svg#SourceSansProExtraLight') format('svg');
    font-weight: 100;
    font-style: normal;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-ExtraLightIt-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-ExtraLightIt-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-ExtraLightIt-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-ExtraLightIt-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-ExtraLightIt-webfont.svg#SourceSansProExtraLightItalic') format('svg');
    font-weight: 100;
    font-style: italic;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-Light-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-Light-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-Light-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-Light-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-Light-webfont.svg#SourceSansProLight') format('svg');
    font-weight: 300;
    font-style: normal;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-LightIt-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-LightIt-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-LightIt-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-LightIt-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-LightIt-webfont.svg#SourceSansProLightItalic') format('svg');
    font-weight: 300;
    font-style: italic;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-Regular-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-Regular-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-Regular-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-Regular-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-Regular-webfont.svg#SourceSansProRegular') format('svg');
    font-weight: normal;
    font-style: normal;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-It-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-It-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-It-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-It-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-It-webfont.svg#SourceSansProItalic') format('svg');
    font-weight: normal;
    font-style: italic;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-Semibold-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-Semibold-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-Semibold-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-Semibold-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-Semibold-webfont.svg#SourceSansProSemibold') format('svg');
    font-weight: 600;
    font-style: normal;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-SemiboldIt-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-SemiboldIt-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-SemiboldIt-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-SemiboldIt-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-SemiboldIt-webfont.svg#SourceSansProSemiboldItalic') format('svg');
    font-weight: 600;
    font-style: italic;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-Bold-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-Bold-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-Bold-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-Bold-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-Bold-webfont.svg#SourceSansProBold') format('svg');
    font-weight: bold;
    font-style: normal;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-BoldIt-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-BoldIt-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-BoldIt-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-BoldIt-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-BoldIt-webfont.svg#SourceSansProBoldItalic') format('svg');
    font-weight: bold;
    font-style: italic;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-Black-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-Black-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-Black-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-Black-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-Black-webfont.svg#SourceSansProBlack') format('svg');
    font-weight: 900;
    font-style: normal;

}

@font-face {
    font-family: 'Humbug';
    src: url('../third/sourcesans/SourceSansPro-BlackIt-webfont.eot');
    src: url('../third/sourcesans/SourceSansPro-BlackIt-webfont.eot?#iefix') format('embedded-opentype'),
         url('../third/sourcesans/SourceSansPro-BlackIt-webfont.woff') format('woff'),
         url('../third/sourcesans/SourceSansPro-BlackIt-webfont.ttf') format('truetype'),
         url('../third/sourcesans/SourceSansPro-BlackIt-webfont.svg#SourceSansProBlackItalic') format('svg');
    font-weight: 900;
    font-style: italic;

}