h3:first-of-type {
    margin: 10px;
}

#intro p {
	margin: 10px;
	text-indent: 1em;
}
button#submit {
    display: block;
    background-color: #4F703B;
    color: #fff;
    border: solid 1px #fff; 
    border-radius: 20px;
    margin: 10px auto;
}
fieldset {
    width: 75%;
    padding: 10px;
    margin: auto;
}

input[type=text], input[type=email], textarea {
    width: 75%;
}
input[type=radio] {
    width:auto;
}
textarea {
    height: 8em;
}

 /* Style the tab */
.tab {
    overflow: hidden;
	margin-left: 10px;
}

/* Style the buttons that are used to open the tab content */
.tab button {
    background-color: #4F703B;
    color: #fff;
	float: left;
    border-radius: 20px;
    outline: none;
    cursor: pointer;
    margin: 5px 2px 10px 10px;
}
/* Change background color of buttons on hover
.tab button:hover {
    background-color: #4F703B;
    color: white;
}
 */

/* Create an active/current tablink class */
.tab button.active {
    background-color: #6E8A4D;
}

/* Style the tab content */
.tabcontent {
    display: none;
    padding: 6px 12px;
    border: 1px solid #ccc;
    border-top: none;
} 

@media screen and (max-width: 550px) {
	.tab button {
		float: none;
		text-align: center;
		margin: 5px auto;
		padding: 4px;
	}
	fieldset {
    width: 90%;
    }

}