app.css

/* Variabls */
:root {
	--primary-blue: #2196f3;
	--dark-blue: #1976d2;
	--light-blue: #bbdefb;
	--white: #ffffff;
	--primary-text: #212121;
	--secondary-text: #757575;
	--light-gray: #bdbdbd;
}

/* Resets */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: Helvetica, sans-serifs;
	color: var(--primary-text);
}

/* Helper Classes */

/* Layout/Flexbox */
.flex {
	display: flex;
}

.flex-center {
	justify-content: center;
	align-items: center;
}

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

.flex-grow-1 {
	flex-grow: 1;
}

.container {
	max-width: 600px;
	margin: 0 auto;
}

.hidden {
	display: none;
}

.mb-2 {
	margin-bottom: 20px;
}

/* Text Classes */
.primary-text {
	color: var(--primary-text);
}

.secondary-text {
	color: var(--secondary-text);
}

.light-text {
	color: var(--light-blue);
}

.text-center {
	text-align: center;
}

h1 {
	font-size: 48px;
	font-weight: 300;
}