:root {
	--clr-primary: rgba(22, 106, 201, 1);
	--clr-secondary: rgba(255, 255, 255, 1);
	--ff-primary: "Roboto", sans-serif;
}

*, *::before, *::after {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: var(--ff-primary);
}

.height-title-div {
	background: var(--clr-primary);
	width: 100%;
	padding: 1em 0;
}

.height-h1 {
	color: white;
	text-align: center;
}

.btn-section {
	border: solid 2px var(--clr-primary);
}

button {
	border: none;
	border-radius: 0.35em;
}

.start-btn, .clear-btn {
	background: var(--clr-primary);
	color: white;
}

.stop-btn {
	border: solid 2px var(--clr-primary);
	color: var(--clr-primary);
}