body { font-family: Arial, Helvetica, sans-serif; color: #fff; line-height: 1.5; /* Unitless for proper inheritance */ }

body          { font-size: 75%; }   /* IE */
html > body   { font-size: 12px; }  /* Other browsers */

h1, h2, h3,
.narrow_news_list h4,
.tabs_blue .tabs li a,
.dropdown_label,
.main_video_accordion h4 { font-family:"Trebuchet MS", Arial, Helvetica, sans-serif; }

h4, h5, h6,
.narrow_blue_news ul li h3 { font-family:Arial, Helvetica, sans-serif; }

h1 { font-size: 18px; }

h2 { font-size: 16px; }

.box_230.box_dark_blue h2,
.box_952_blue.box_dark_blue h2,
.box_952_blue.box_blue h2,
.box_350.box_dark_blue h2,
.box_230.box_blue h2,
.h2_small,
h3 {font-size: 14px;}

.narrow_blue_blinds_img h3,
.education_article h3,
.myNASA_playlists h3,
.browse_archive h3,
h4 {font-size: 13px;}

.text_12px,
.tinyContent h3,
.narrow_news_list h4,
.narrow_blue_news ul li h3,
.comments_form .text_12px,
h5 {font-size: 12px;}

.tabs_blue .tabs li a,
.comments_form p,
.comments_text,
.dropdown_label,
h6 { font-size: 11px; }

em { font-style:italic;}

h1, h2, h3,
.narrow_news_list h4,
.tabs_blue .tabs li a,
.main_video_accordion h4,
.tabs_blue .tabs li a,
h4, h5, h6,
.narrow_blue_news ul li h3,
.strong { font-weight: bold;}

.dark_grey,
.box_white,
.box_white h5,
.box_710.box_710_white h2,
.box_710_white p,
.box_710_white h3 {color: #2e2e2e;}

.light_blue { color: #99ccff; }
.dark_blue { color: #004D93; }
.light_grey { color: #b3b3b3; }
.blue_text { color: #004D93; }
.white {color: #fff;}
.small_text { font-size: 11px;}
.bold_14 {font-size: 14px; font-weight: bold;}

/* BASE LINK STYLES */

a { color: #99ccff; text-decoration: none; }
a:hover { text-decoration: underline; }

.box_white a { color: #004d93; }

a.link_grey, 
a.link_grey:link, 
a.link_grey:active, 
a.link_grey:hover { color: #999999; }
h3.sitemap_links a,
h2 a { color: #fff; }