diff --git a/pages/_document.js b/pages/_document.js
index 73acc63..241a922 100644
--- a/pages/_document.js
+++ b/pages/_document.js
@@ -11,7 +11,6 @@ export default class MyDocument extends Document {
           <meta name='viewport' content='width=device-width, initial-scale=1, shrink-to-fit=no'/>
           <link rel='shortcut icon' href={favicon} type='image/x-icon'/>
           <link rel='icon' href={favicon} type='image/x-icon'/>
-          <link rel='stylesheet' href='//fonts.googleapis.com/css?family=Roboto:300,300italic,700,700italic'/>
           <link rel='stylesheet' href={getUrl('/_next/static/style.css')} />
           <title>My Knowledge Base</title>
         </Head>
diff --git a/styles/_theme.sass b/styles/_theme.sass
index 2056d9c..83bdd9d 100644
--- a/styles/_theme.sass
+++ b/styles/_theme.sass
@@ -4,4 +4,259 @@ $danger: #d44848;
 $text: #dcddde; 
 $link: #00d1b2; 
 $linkAct: darken($link, 10); 
-$fontFamily: 'Roboto', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif; 
\ No newline at end of file
+$fontFamily: 'Roboto', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif; 
+
+// Roboto font
+// weights: 300, italic-300, 700, italic-700
+
+/* cyrillic-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 300;
+  src: local('Roboto Light Italic'), local('Roboto-LightItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TjASc3CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
+
+/* cyrillic */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 300;
+  src: local('Roboto Light Italic'), local('Roboto-LightItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TjASc-CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+
+/* greek-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 300;
+  src: local('Roboto Light Italic'), local('Roboto-LightItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TjASc2CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+1F00-1FFF;
+
+/* greek */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 300;
+  src: local('Roboto Light Italic'), local('Roboto-LightItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TjASc5CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+0370-03FF;
+
+/* vietnamese */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 300;
+  src: local('Roboto Light Italic'), local('Roboto-LightItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TjASc1CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+0102-0103, U+0110-0111, U+1EA0-1EF9, U+20AB;
+
+/* latin-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 300;
+  src: local('Roboto Light Italic'), local('Roboto-LightItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TjASc0CsTYl4BOQ3o.woff2) format('woff2');
+  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-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 300;
+  src: local('Roboto Light Italic'), local('Roboto-LightItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TjASc6CsTYl4BO.woff2) format('woff2');
+  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;
+
+/* cyrillic-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Roboto Bold Italic'), local('Roboto-BoldItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TzBic3CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
+
+/* cyrillic */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Roboto Bold Italic'), local('Roboto-BoldItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TzBic-CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+
+/* greek-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Roboto Bold Italic'), local('Roboto-BoldItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TzBic2CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+1F00-1FFF;
+
+/* greek */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Roboto Bold Italic'), local('Roboto-BoldItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TzBic5CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+0370-03FF;
+
+/* vietnamese */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Roboto Bold Italic'), local('Roboto-BoldItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TzBic1CsTYl4BOQ3o.woff2) format('woff2');
+  unicode-range: U+0102-0103, U+0110-0111, U+1EA0-1EF9, U+20AB;
+
+/* latin-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Roboto Bold Italic'), local('Roboto-BoldItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TzBic0CsTYl4BOQ3o.woff2) format('woff2');
+  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-display: swap;
+  font-family: 'Roboto';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Roboto Bold Italic'), local('Roboto-BoldItalic'), url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TzBic6CsTYl4BO.woff2) format('woff2');
+  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;
+
+/* cyrillic-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 300;
+  src: local('Roboto Light'), local('Roboto-Light'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmSU5fCRc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
+
+/* cyrillic */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 300;
+  src: local('Roboto Light'), local('Roboto-Light'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmSU5fABc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+
+/* greek-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 300;
+  src: local('Roboto Light'), local('Roboto-Light'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmSU5fCBc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+1F00-1FFF;
+
+/* greek */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 300;
+  src: local('Roboto Light'), local('Roboto-Light'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmSU5fBxc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+0370-03FF;
+
+/* vietnamese */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 300;
+  src: local('Roboto Light'), local('Roboto-Light'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmSU5fCxc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+0102-0103, U+0110-0111, U+1EA0-1EF9, U+20AB;
+
+/* latin-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 300;
+  src: local('Roboto Light'), local('Roboto-Light'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmSU5fChc4AMP6lbBP.woff2) format('woff2');
+  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-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 300;
+  src: local('Roboto Light'), local('Roboto-Light'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmSU5fBBc4AMP6lQ.woff2) format('woff2');
+  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;
+
+/* cyrillic-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Roboto Bold'), local('Roboto-Bold'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmWUlfCRc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
+
+/* cyrillic */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Roboto Bold'), local('Roboto-Bold'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmWUlfABc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+
+/* greek-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Roboto Bold'), local('Roboto-Bold'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmWUlfCBc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+1F00-1FFF;
+
+/* greek */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Roboto Bold'), local('Roboto-Bold'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmWUlfBxc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+0370-03FF;
+
+/* vietnamese */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Roboto Bold'), local('Roboto-Bold'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmWUlfCxc4AMP6lbBP.woff2) format('woff2');
+  unicode-range: U+0102-0103, U+0110-0111, U+1EA0-1EF9, U+20AB;
+
+/* latin-ext */
+@font-face 
+  font-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Roboto Bold'), local('Roboto-Bold'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmWUlfChc4AMP6lbBP.woff2) format('woff2');
+  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-display: swap;
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Roboto Bold'), local('Roboto-Bold'), url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmWUlfBBc4AMP6lQ.woff2) format('woff2');
+  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;