body {
	background: black;
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: center;
	height: 100vh;
	margin: 0;
	padding: 0;
}

form {
	display: flex;
	flex-direction: column;
	height: 15em;
	justify-content: flex-start;
	align-items: center;
	gap: 1em;
	font-size: 3vh;
}

input {
	background: linear-gradient(0deg, transparent, black, transparent);
	background-color: #080;
	color: white;
	border: .25em solid #080;
	padding: 0.25em 2ch;
	text-align: center;
	border-radius: 1em;
	border-right-color: transparent;
	border-left-color: transparent;
	font-size: inherit;
}

input[type="submit"] {
	padding: 0 4ch;
}


input:placeholder-shown {
	border-right-color: red;
	border-left-color: red;
}

input::placeholder {
	color: #F00
}

:focus {
	outline: none;
	background-color: #0808
}

#errMessage {
	color: white;
	background: red;
	padding: .25em 1ch;
	margin: 0;
	display: none;
}

#errMessage.show {
	display: block;
}