Font size

1) To change the font size/line height of the main font insert following code into the quick css field:

body {

font: 13px/1.65em "HelveticaNeue", "Helvetica Neue",Helvetica,Arial,sans-serif;

}

and replace 13px and 1.65em (line height) with your custom values.

2) Use following css code for the main menu font:

.main_menu ul:first-child>li>a {

font-size: 13px;

}