css: improve fonts style

There's no need to quote Adelle, neither Times New Roman; none have
special characters.

Signed-off-by: Felipe Contreras <[email protected]>

Author: Felipe Contreras

css/main.css

@@ -23,7 +23,7 @@ body {
   line-height: 1;
   font-size: 14px;
   line-height: 22px;
-  font-family: "adelle", Georgia, "Times New Roman", serif;
+  font-family: Adelle, Georgia, Times New Roman, serif;
   color: #4e443c;
   background: #f0efe7;
 }
@@ -998,7 +998,7 @@ input.active {
 
 
 input, textarea {
-  font-family: "adelle", Georgia, "Times New Roman", serif;
+  font-family: Adelle, Georgia, Times New Roman, serif;
   font-size: 14px;
   outline: none;
 }