form {
	max-width: 460px;
	margin: 0 auto;
	padding: 80px 0 0;
}

label {
	font-size: 14px;
}

dl {
	clear: both;
	display: block;
}

dt {
	clear: block;
	display: inline-block;
	height: 30px;
	margin: 0;
	padding: 0;
	width: 120px;
}

dd {
	display: inline-block;
	height: 30px;
	margin: 0;
	padding: 0;
}

input {
	border: 1px solid #ccc;
	font-size: 14px;
	margin: 0;
	padding: 3px;
	width: 320px;
}

button {
	background-color: green;
	border: 0;
	color: #fff;
	height: 30px;
	font-size: 14px;
	width: 120px;
}

#top {
	height: 100%;
}

@media screen and (max-width:768px) {
	form {
		max-width: 320px;
		margin: 0 auto;
		padding: 80px 0 0;
		padding: 80px 10px 10px 10px;
		box-sizing: border-box;
		width: 100%;
	}

	form input {
		width: 100%;
		box-sizing: border-box;
		font-size: 16px;
		padding: 5px;
	}

	dl {
		display: flex;
		flex-direction: column;
	}

	button {
		font-size: 16px;
		padding: 10px 5px;
		height: auto;
	}

	dd:first-of-type {
		margin-bottom: 30px;
	}
}