iframe {
	height: 100vh;
	display: block;
	border: none;
	box-sizing: border-box;
}

.floating_tr_button {
	position: fixed;
	top: 0;
	right: 0;
	padding: 5px;
	background: #771415;
	cursor: pointer;
	border-bottom-left-radius: 7px;
}

.floating_tr_button:hover,
.floating_tr_button:focus {
	box-shadow: 0 0 3px #000;
}

.floating_tr_button:active {
	box-shadow: 0 0 3px #000 inset;
}

#fullscreen_button {
	display: block;
}

#exit_fullscreen {
	display: none;
}

.floating_tr_button img {
	width: 25px;
	height: 25px;
}