/* Prevent adjustments of font size after orientation changes in IE on Windows Phone and in iOS.  */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/*----------- apply a natural box layout model to all elements --------------*/
* {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}


/*----------- BODY --------------*/
body {
    font-size: 16px;
    font-family: Verdana, sans-serif;
}


/*----------- HEADER --------------*/
header {
    padding: .5rem 2%;
    background-color: #ddd;
}

header h1 {
    margin: 0;
}

header h2 {
    margin: 0;
    font-weight: normal;
}

/*----------- NAVIGATION --------------*/
nav {
    background-color: #666;
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    border-bottom: solid 1px #333;
}

nav ul li a {
    display: block;
    background-color: #444;
    color: #eee;
    padding: .5rem 0;
    text-decoration: none;
    font-size: .9rem;
    text-align: center;
}

nav ul li.active a {
    background-color: #000;
    color: #fff;
}

/*----------- MAIN --------------*/
main {
    padding: 0 2%;
    min-height: 20rem;
}

/*----------- FORM --------------*/
.form1 fieldset {
    margin: 2rem 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: .5rem 2%;
}

.form1 legend {
    color: blue;
    padding: 0 .5rem;
}

.form1 label {
    display: block;
    padding-top: 1rem;
    color: red;
    font-size: .9rem;
}

.form1 div {
    padding-top: 1rem;
    color: blue;
    font-size: .9rem;
}

.form1 input[type="text"],
.form1 input[type="email"],
.form1 input[type="tel"],
.form1 input[type="url"],
.form1 input[type="date"],
.form1 select,
.form1 input[type="number"] {
    background-color: #eee;
    display: block;
    border: solid 1px #999;
    border-radius: 5px;
    padding: .75rem;
    color: grey;
    width: 100%;
    max-width: 400px;
    appearance: none;
}

.form1 input[type="radio"],
.form1 input[type="checkbox"] {
    margin-right: 6px;
}

.form1 input[type="submit"] {
    border: none;
    background-color: black;
    color: white;
    border-radius: 5px;
    padding: .8rem;
    width: 96%;
    max-width: 400px;
    margin: -1rem 2% 2rem 2%;
    box-shadow: 1px 1px 4px #999;
}

.form1 input:required {
    border-left: solid 6px red;
}

.form1 input:required:valid {
    border-left: solid 6px green;
}

/*----------- FOOTER --------------*/
footer {
    background-color: #ddd;
    padding: .5rem 2%;
    text-align: center;
}