styles.css

html, body {
	 min-height: 100%;
	 margin: 0;
}
 body {
	 padding: 30px;
	 background-image: linear-gradient(135deg, #dce2eb 0%, #c3b8e9 100%);
	 box-sizing: border-box;
     font-family: optima;
}

@font-face {
    font-family: optima;
    src: url(optima_medium-webfont.woff);
}

p {
    font-size: 20px;
    font-family: optima;
}

.topnav {
    padding-right: 100px;
    overflow: hidden;

  }

.topnav a {
    float: right;
    color: #263050;
}


/* Style the links inside the navigation bar */

.topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 20px 15px;
    text-decoration: none;

    font-size: 20px;
    font-family: Merriweather;
  }

.form1 {
    font-size: 20px;
    display: block;
    text-align: center;
}

.form2 {
    font-size: 20px;
    display: none;
    text-align: center;
}

.form3 {
    font-size: 20px;
    display: none;
    text-align: center;
}

.checkboxes {
    font-size: 20px;
    display: none;
    text-align: center;
    font-size: 17px;
}

body,
html {
    margin-left: 5%;
    margin-right: 5%;
    margin-bottom: 5%;
    margin-top: 5%;
}


/* For side by side figures */

.row {
    display: flex;
}

.column {
    flex: 50%;
    padding: 10px;
    text-align: center;
    height: 60vh;
}

.centered {
    text-align: center;
}

iframe {
    border-style: groove;

}

.invisible {
    display: none;
}