body {
    margin: 0;
    padding: 0;
    border: 0;
    background-color:darkgrey;
}

.main-content {
    width: 90%;
    margin: auto;
    background-color: darkgray;
    
}

header {
    width: 90%;
    height: 100%;
    margin: auto;
    background-color: darkgray;
}

H1 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2em;
    text-align: center;
}

H2 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1em;
    margin: auto;
    width:30%;
    
}

H3 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1em;
    text-align: center;
}

nav {
    height: 3em;
    margin: auto;
    padding: 0;
    width: 20%;
    background-color: dimgray;
}

    nav ul {  
    list-style-type: none;
    background-color: dimgray;
    height: 40px;    
    }

    nav li {
    display: inline-block;
    }

    nav li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    }

    nav li a:hover {
    background-color: white;
    color: black;    
    }

    nav .active {
    background-color: white;
    }

    section {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr 1fr 1fr ;
        grid-gap: 5em;
    }

    img {
  
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}
    
    form {
	margin: 0px;
	padding: 0px;
    }

    #contactform {
    padding: 5px;
    margin: auto;
    width: 30%;
    height: 80%;
    margin-bottom: 10px;    
    }

    #contactform fieldset {
    margin-bottom: 20px;
    margin-top: 20px;
    }

    legend {
    color: black;
    font-size: 1.2em;
    font-weight: bold;
    padding-bottom: 10px;
    }

    #contactform label {
    float: left;
    font-size: 20px;
    width: 130px;
    margin-right: 60px;    
    }