.exit_button{
	width: 50px;
	height: 50px;
	background: url(/static/img/sign_out.svg) center/36px no-repeat;
	position: absolute;
	top: 0;
	right: 0;
}

.call_button{
	width: 300px;
	height: 50px;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 30px;
	margin: auto 0 100px;
	box-shadow: 0px 3px 5px #0000006e;
	user-select: none;
	position: relative;
	z-index: 3;
}

.call_button[touch_start]{
	box-shadow: 0px 1px 3px #0000006e;
}

.letter_wrap{
	position: absolute;
	height: 100%;
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: opacity 0.3s;
	flex-direction: column;
	opacity: 0;
}

.letter_wrap[show="1"]{
	opacity: 1;
}

.letter{
	font-size: 300px;
}

.letter_text{
	font-size: 20px;
	margin-top: -23px;
	line-height: 23px;
	transform: translateY(-23px);
}