html, body {
	padding: 0;
	margin: 0;
}
.wrapper_razvertka {
	height: auto;

	max-width: 900px;
	margin: 0 auto;
	border: 10px solid #20B2AA;
	box-sizing: border-box;
	padding: 5px;
}


#decide-button {
	margin: 10px;
}
#konys, #konys_ysech {
	width: 100%;
	max-width: 300px;
}
#D1, #D2, #R1, #R2 {
	display: none;
}
#table_otvet {
	display: none;
}

@media (max-width: 500px) {
	.wrapper_razvertka {

	border: 5px solid #20B2AA;
	
	}
}