body { font-family: Verdana, Arial, sans-serif; background-image: linear-gradient(to bottom, #ffffff 20%, #003B7B 60%, #FFFFFF 100%); 
    background-repeat: no-repeat;}
header { background-color: #003B7B; color: #FFFFFF; font-family: Georgia, serif; height: 72px;}
h1 { text-align: center; padding-top: .5em;}
h2 { color: #1976D2; font-family: Georgia, serif; text-align: center;}
nav { font-weight: bold; text-align: center; padding-top: .5em; padding-right: .5em; padding-bottom: .5em;}
dt { color: #002171; font-weight: bold;}
.colt { color: #1976D2; font-size: 1.2em;}
footer { font-size: .70em; font-style: italic; text-align: center; padding: 1em;}
#wrapper { width: 80%; margin-right: auto; margin-left: auto; background-color: #FFFFFF; min-width: 960px; max-width: 2048px;
    box-shadow: 3px 3px 3px #777; margin-left: auto;}
main { padding-left: 2em; padding-right: 2em;}
#colthero { height: 300px; background-image: url(coltss.jpeg); background-size: 100% 100%; background-repeat: no-repeat;}
nav a { text-decoration: none;}