style.css

html,
body {
	height: 100%;
	width: 100%;
	padding: 0;
	margin: 0;
	background-color: rgba(217, 217, 217, 0.48); /* rgb(218, 217, 217);*/
}

.container {
	display: flex;
}

.flex {
	display: flex;
}

.mb2 {
	margin-bottom: 2px;
}

.fd-col {
	flex-direction: column;
}

.fd-row {
	flex-direction: row;
}

.recommended-size {
	background-color: lightgreen;
}

.jc-center {
	justify-content: center;
}
.jc-stretch {
	justify-content: stretch;
}
.jc-space-btwn {
	justify-content: space-between;
}
.jc-space-even {
	justify-content: space-evenly;
}

.ai-flex-end {
	align-items: flex-end;
}

.fw-wrap {
	flex-wrap: wrap;
}

.fw-nowrap {
	flex-wrap: nowrap;
}

.ai-center {
	align-items: center;
}

.fb-100 {
	flex-basis: 100%;
}

/* FLEX GROW */
.fg-1 {
	flex-grow: 1;
}
.fg-5 {
	flex-grow: 5;
}
.fg-100 {
	flex-grow: 100;
}
/* FLEX SHRINK */
.fs-1 {
	flex-shrink: 1;
}

.mw-80 {
	max-width: 80vw;
}

/* 'as' stands for align-self */
.as-center {
	align-self: center;
}

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

.m5 > * {
	margin: 5px;
}

.mt10 {
	margin-top: 10px;
}

.w100 {
	width: 100%;
}

.bar {
	width: 10vw;
	background-color: black;
	margin: 1px;
}

.control-button {
	width: 150px;
	height: 50px;
}

.hidden-on-mobile {
	display: block;
}

/**
 * CSS BY TAG
 */

button,
select {
	cursor: pointer;
}

button:disabled,
select:disabled {
	cursor: not-allowed;
}

input[type="range"] {
	cursor: pointer;
}

/**
 * CSS BY ID
 */

#header-container {
	margin-bottom: 1vh;
}

#slider-container {
	padding: 3px;
	border: 1px solid black;
	border-radius: 5px;
}

#icon-github {
	height: 20px;
	width: 20px;
}

#bars {
	height: 88%;
	width: 90%;
}

#bars-container {
	height: 100%;
	width: 100%;
	margin-bottom: 10px;
}

#container {
	height: 100%;
	/*width: 100%;*/
}

/* MEDIA QUERIES */

@media screen and (max-width: 440px) {
	.fg-1 {
		width: 100%;
	}
	#bars {
		width: 98%;
	}
	.control-button {
		height: 35px;
	}
}

@media screen and (max-width: 900px) {
	.hidden-on-mobile {
		display: none;
	}
}