add css files for about page

src/styles/base/about.scss

+#about{
+	.flex-content-white{
+		div{
+
+		}
+	}
+}
\ No newline at end of file

src/styles/index.scss

@@ -8,6 +8,7 @@
 @import 'abstracts/mixins';
 @import 'components/icons/index';
 @import 'base/main';
+@import 'base/about';
 
 div#viewport {
     display: flex;