Add woff2 format of Nunito for better performance in modern browsers

Signed-off-by: Jan-Christoph Borchardt <hey@jancborchardt.net>

core/css/fonts.scss

@@ -1,15 +1,43 @@
+/* latin-ext */
 @font-face {
 	font-family: 'Nunito';
 	font-style: normal;
-	font-weight: normal;
+	font-weight: 400; /* normal */
 	src: local('Nunito Regular'), local('Nunito-Regular'),
-		url('../fonts/Nunito-Regular.ttf') format('ttf');
+		url('../fonts/Nunito-Regular-latin-ext.woff2') format('woff2'),
+		url('../fonts/Nunito-Regular.ttf') format('truetype');
+	unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
 }
 
+/* latin */
 @font-face {
 	font-family: 'Nunito';
 	font-style: normal;
-	font-weight: bold;
+	font-weight: 400; /* normal */
+	src: local('Nunito Regular'), local('Nunito-Regular'),
+		url('../fonts/Nunito-Regular.woff2') format('woff2'),
+		url('../fonts/Nunito-Regular.ttf') format('truetype');
+	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+
+/* latin-ext */
+@font-face {
+	font-family: 'Nunito';
+	font-style: normal;
+	font-weight: 700; /* bold */
+	src: local('Nunito Bold'), local('Nunito-Bold'),
+		url('../fonts/Nunito-Bold-latin-ext.woff2') format('woff2'),
+		url('../fonts/Nunito-Bold.ttf') format('truetype');
+	unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+
+/* latin */
+@font-face {
+	font-family: 'Nunito';
+	font-style: normal;
+	font-weight: 700; /* bold */
 	src: local('Nunito Bold'), local('Nunito-Bold'),
-		url('../fonts/Nunito-Bold.ttf') format('ttf');
+		url('../fonts/Nunito-Bold.woff2') format('woff2'),
+		url('../fonts/Nunito-Bold.ttf') format('truetype');
+	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
 }

core/css/guest.css

@@ -456,7 +456,7 @@ form .warning input[type='checkbox']+label {
 	margin: 10px 0;
 	text-align: center;
 	width: 100%;
-	text-shadow: 0 0 2px rgba(0, 0, 0, .4); // better readability on bright background
+	text-shadow: 0 0 2px rgba(0, 0, 0, .4); /* better readability on bright background */
 }
 .lost-password-container #lost-password,
 .lost-password-container #lost-password-back {
@@ -652,7 +652,7 @@ fieldset.update legend + p {
 }
 p.info {
 	margin: 20px auto;
-	text-shadow: 0 0 2px rgba(0, 0, 0, .4); // better readability on bright background
+	text-shadow: 0 0 2px rgba(0, 0, 0, .4); /* better readability on bright background */
 	-webkit-user-select: none;
 	-moz-user-select: none;
 	-ms-user-select: none;
@@ -823,18 +823,47 @@ a.legal {
 	font-size: smaller;
 }
 
+
+/* latin-ext */
 @font-face {
 	font-family: 'Nunito';
 	font-style: normal;
-	font-weight: normal;
+	font-weight: 400; /* normal */
 	src: local('Nunito Regular'), local('Nunito-Regular'),
-		url('../fonts/Nunito-Regular.ttf') format('ttf');
+		url('../fonts/Nunito-Regular-latin-ext.woff2') format('woff2'),
+		url('../fonts/Nunito-Regular.ttf') format('truetype');
+	unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
 }
 
+/* latin */
 @font-face {
 	font-family: 'Nunito';
 	font-style: normal;
-	font-weight: bold;
+	font-weight: 400; /* normal */
+	src: local('Nunito Regular'), local('Nunito-Regular'),
+		url('../fonts/Nunito-Regular.woff2') format('woff2'),
+		url('../fonts/Nunito-Regular.ttf') format('truetype');
+	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+
+/* latin-ext */
+@font-face {
+	font-family: 'Nunito';
+	font-style: normal;
+	font-weight: 700; /* bold */
+	src: local('Nunito Bold'), local('Nunito-Bold'),
+		url('../fonts/Nunito-Bold-latin-ext.woff2') format('woff2'),
+		url('../fonts/Nunito-Bold.ttf') format('truetype');
+	unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+
+/* latin */
+@font-face {
+	font-family: 'Nunito';
+	font-style: normal;
+	font-weight: 700; /* bold */
 	src: local('Nunito Bold'), local('Nunito-Bold'),
-		url('../fonts/Nunito-Bold.ttf') format('ttf');
+		url('../fonts/Nunito-Bold.woff2') format('woff2'),
+		url('../fonts/Nunito-Bold.ttf') format('truetype');
+	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
 }