html, body {
	margin: 0px;
	padding: 0px;
	/*max-width: 1200px;*/
	margin: auto auto;
	background-color:#f0f0f0;
}

.embed-container {
	padding-bottom: 56.25%;
	height: 0;
	overflow: hidden;
}

.embed-container iframe,
.embed-container object,
.embed-container embed {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.actions-wrapper {
	display: flex;
	max-width: 1024px;
	margin-left: auto;
	margin-right: auto;
}

.worksheet {
	background-color: #b6d9ef;
}

.worksheet:hover {
	background-color: #cde6f7;
}

.video,
.audio {
	background-color: #b6f0c3;
}

.video:hover,
.audio:hover {
	background-color: #ccf3d4;
}


img {
	margin-right: 16px;
}

button {
	border: none;
	border-radius: 12px;
	padding: 24px;
	text-align: left;
	margin: 24px 12px;
	flex-grow: 1;
	flex-basis: 33.3%;
	display: none;
	align-items: center;
}

button.visible {
	display: flex;
}

button .label, button .title {
	margin: 0;
}

button .label {
	text-transform: uppercase;
	font-weight: normal;
	font-size: 0.75rem;
}

button .title {
	margin-top: 3px;
	margin-bottom: 3px;
	font-size: 1rem;
	font-weight: bold;
}

iframe[src=""]
audio[src=""] {
	display: none;
}

button:hover {
	cursor: pointer;
}

.height-controller {
	position: relative;
	overflow: hidden;
	max-height: calc(100vh - 200px);
}

audio {
	margin: 120px auto 0 auto;
	width: 100%;
	max-width: 1024px;
}

@media only screen and (max-height: 700px) {
	.height-controller {
		max-height: calc(100vh - 110px);
	}
	audio {
		margin-top: 24px;
	}
	button {
		margin-top: 16px;
		margin-bottom: 12px;
		padding: 12px;
	}

	h4 {
		font-size: 0.875rem;
	}

	img {
		height: 36px;
		width: 36px;
	}
}

@media only screen and (max-width: 640px) {
	.actions-wrapper {
		flex-direction: column;
		margin-top: 24px;
	}

	button {
		margin-bottom: 12px;
		margin-top: 0;
		padding: 12px;
	}

	img {
		height: 36px;
		width: 36px;
	}
}