html {
	box-sizing: border-box;
	font-size: 10px;
	background: #8E24AA;
	background: linear-gradient(45deg, #42a5f5 0%, #478ed1 50%, #0d47a1 100%);
}

*, *:before, *:after {
	box-sizing: inherit;
}

body {
	margin: 0;
	text-align: center;
	font-family: 'Inconsolata', monospace;
}

.display__time-left {
	font-weight: 100;
	font-size: 20rem;
	margin: 0;
	color: white;
	text-shadow: 4px 4px 0 rgba(0, 0, 0, 0.05);
}

.timer {
	display: flex;
	min-height: 100vh;
	flex-direction: column;
}

.timer__controls {
	display: flex;
}

.timer__controls > * {
	flex: 1;
}

.timer__controls form {
	flex: 1;
	display: flex;
}

.timer__controls input {
	flex: 1;
	border: 0;
	padding: 2rem;
}

.timer__button {
	background: none;
	border: 0;
	cursor: pointer;
	color: white;
	font-size: 2rem;
	text-transform: uppercase;
	background: rgba(0, 0, 0, 0.1);
	border-bottom: 3px solid rgba(0, 0, 0, 0.2);
	border-right: 1px solid rgba(0, 0, 0, 0.2);
	padding: 1rem;
	font-family: 'Inconsolata', monospace;
}

.timer__button:hover, .timer__button:focus {
	background: rgba(0, 0, 0, 0.2);
	outline: 0;
}

.display {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.display__end-time {
	font-size: 4rem;
	color: white;
}