* { box-sizing: border-box; }
body { background-color: #90c7e3;
    color: #666666;
    font-family: verdana, arial, sans-serif;
    margin: 0;
}
#wrapper { background-color: #ffffff;
}
header { background-color: #002171;
    color: #ffffff;
    font-family: georgia, serif;
    padding: 1em;
}
header a { text-decoration: none; }
header a:link { color: #ffffff; }
header a:visited { color: #ffffff; }
header a:hover { color: #90c7e3; }
h1 { font-size: 1.5em;
    text-align: center;
}
h2 { columns: #1976d2;
    font-family: georgia, serif;
}
h3 { font-family: georgia, serif; }
nav { background-color: #fff;
    font-size: 1.2em;
    text-align: center;
}
nav a { text-decoration: none; }
nav a:link { color: #5c7fa3; }
nav a:visited { color: #344873; }
nav a:hover { color: #a52a2a; }
nav ul { display: flex;
    flex-direction: column;
    list-style-type: none;
    margin: 0;
    padding: 0;
}
nav li { border-bottom: 1px solid #344834;
    padding: .5em 1em;
    width: 100%
}
main { display: block;
    padding: 0 1em ;
}
dt { color: #002171;
    font-weight: bold;
}
.resort { color: #1976d2;
    font-size: 1.2em;
}
#homehero { height: 300px;
    background-image: url(coast.jpg);
    background-repeat: no-repeat;
    background-size: 200% 100%;
}
#yurthero { height: 300px;
    background-image: url(yurt.jpg);
    background-repeat: no-repeat;
    background-size: 200% 100%;
}
#trailhero { height: 300px;
    background-image: url(trail.jpg);
    background-repeat: no-repeat;
    background-size: 200% 100%;
}
#mobile { display: inline; }
#desktop { display: none; }
section { padding-left: .5em;
    padding-right: .5em;
}
footer { background-color: #fff;
    font-size: .70em;
    font-style: italic;
    padding: 1em;
    text-align: center;
}
table { margin: auto;
    width: 90%;
    border: 1px solid #3399cc;
    border-collapse: collapse;
}
td, th { padding: 5px;
    border: 1px solid #3399cc;
}
td { text-align: center; }
.text { text-align: left; }
tr:nth-of-type(even) {background-color: #f5fafc; }
form { display: flex;
    flex-direction: column;
    padding-left: 1em; width: 80%;
}
@media (min-width: 600px) {
    h1 { font-size: 2em;
        letter-spacing: .25em;
    }
    nav ul { flex-flow: row nowrap;
        justify-content: space-around;
        padding-right: 2em;
    }
    nav li { border-bottom: none;
        width: 12em;
    }
    section { padding-left: 2em;
        padding-right: 2em;
    }
    #flow { display: flex;
        flex-direction: row;
    }
    #mobile { display: none; }
    #desktop { display: inline; }
    #homehero, #yurthero, #trailhero, #reshero { background-size: 100% 100%; }
    form { display: grid;
        grid-template-columns: 10em 1fr;
        grid-gap: 1em;
        width: 60%;
    }
    input[type="submit"] { grid-column: 2 / 3;
        width: 9em;
    }
}
@media (min-width: 1024px) {
    body { background-image: linear-gradient(to bottom, #ffffff 20%, #90c7e3 60%, #ffffff 100%);
    }
    nav ul { padding-left: 10%;
        padding-right: 10%;
    }
    #wrapper {margin: auto;
        width: 80%;
    }
}