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#site_title a {color: green ;} --changes the tile color
#What ever ID you want {display: none;} -- Remove whatever IDs you don't want on your site

Changed the Menu color to white
.sf-menu li a {color: #fff !important;} → http://glutenfreehome.wpengine.com/

Made the space between lines less.
#banner h2 {line-height: 29px !important; } → http://lucelenejaimesperez.weebly.com/
Give the quote more space 
#banner {width: 690px;}

create more space between “Blog Posts & News” and photos 
.morespace {margin-bottom: 39px;} -->http://www.slowfoodrr.org/

Set EM / REM Values:
https://css-tricks.com/css-font-size/
http://www.w3.org/Style/Examples/007/units.en.html
http://www.impressivewebs.com/understanding-em-units-css/