Upper and lower case

Please find my answer to know more information.

To resolve the problem like you wish, you can change font-family of the menu. Please follow the step by step below:

Firstly, Go to site here to find the font you would like to use: http://www.google.com/fonts/

Secondly, open template.css file , then find “Bitter” and “font” and replace with your font as you want.
@import “http://fonts.googleapis.com/css?family=Bitter”

.entry-title {
font-family: ‘Bitter’, serif;
}

In addition, you need to find the class that you want to rename your font .

Example:

@import url(http://fonts.googleapis.com/css?family=Hanalei);

.entry-title {
font-family: ‘Hanalei’, cursive;
}

Next, to change the font-family of the menu, please look for the following code lines in the template.css bằng cách tìm code sau trong file template.css

.navbar .nav li a {
font-family: "NovecentowideBookBold",Georgia,"Times New Roman",Times,serif;
}

and replace them with your font as you want.

Finally, Log in to Dashboard > Theme > Customize. Add the following code to the “DW Focus header script”

<style>
.navbar .nav li a {
text-transform: lowercase;
}
</style>

Hope this helps !
Regards,
Dominic