base: increase line height and justify text

scss/_base.scss

@@ -34,8 +34,9 @@ h1, h2, h3, h4, h5, h6 {
 }
 
 p {
-    line-height: 1.4em;
+    line-height: 1.45em;
     margin: 1em 0;
+    text-align: justify;
 }
 
 a {
@@ -48,6 +49,7 @@ a {
 }
 
 pre, code {
+    line-height: 1.45em;
     background: mix(#fff, $color_orange, 90%);
     border-radius: 0.3em;
 }

scss/_footer.scss

@@ -27,10 +27,11 @@ footer {
 
     p {
         margin: 0.3em;
+        text-align: center;
     }
 
     ul {
-        margin: 0.3em;
+        margin: 0.45em;
         padding: 0;
 
         li {