input:invalid {
	border: 1px solid red;
}

label[for="ebike"] {
	display: inline-block
}

label + input[type="checkbox"] {
	display: inline-block;
	width: auto;
	margin-left: 2rem;
}

#contact {
	display: flex;
	justify-content: space-around;
}

input[type="radio"], input[type="radio"] + label {
	display: inline-block;
	width: auto;
}
input[type="radio"] + label {
	margin-left: 2rem;
}

.hidden {
	display: none;
}