Go to step 5 at WYSIWYG you need to access in source section and paste this css code on the top of source code.
<style>
img { border:#FE7E00 solid 0px;}
a:link {color: #FE7E00; text-decoration: underline;}
a:visited {color: #FE7E00; text-decoration: underline;}
a:hover {color: #AE5804; text-decoration: none;}
a:active {color: #AE5804; text-decoration: none;}
</style>
for hex color you can choose by this site : http://en.wikipedia.org/wiki/Web_colors
it'll change just one page you must include css code every page that you want.
OR
Go to step3, click embed code Top section, the new window will appear please go to source section and paste this css code on the top of source code.
<style>
a:link {color: #FE7E00; text-decoration: underline;}
a:visited {color: #FE7E00; text-decoration: underline;}
a:hover {color: #AE5804; text-decoration: none;}
a:active {color: #AE5804; text-decoration: none;}
</style>
for hex color you can choose by this site : http://en.wikipedia.org/wiki/Web_colors
This case it will change all of your web pages.
