/* STYLING FOR MAIN NAV BOXES AT TOP OF INDEX PAGE */ a.navBox{ text-decoration:none; color:black; } .navBox1{ height:150px; width:150px; text-align:center; margin-left:auto; margin-right:auto; display:block !important; background-image: url("http://www.cdc.gov/es/disasters/extremeheat/navBox1.jpg"); } .navBox2{ height:150px; width:150px; text-align:center; margin-left:auto; margin-right:auto; display:block !important; background-image: url("http://www.cdc.gov/es/disasters/extremeheat/navBox2.jpg"); } .navBox3{ height:150px; width:150px; text-align:center; margin-left:auto; margin-right:auto; display:block !important; background-image: url("http://www.cdc.gov/es/disasters/extremeheat/navBox3.jpg"); } .navBox4{ height:150px; width:150px; text-align:center; margin-left:auto; margin-right:auto; display:block !important; background-image: url("http://www.cdc.gov/es/disasters/extremeheat/navBox4.jpg"); }