header {
	background-color: white;
	margin-bottom: 50px;
}
.header_menu {
	background-color: rgba(225,175,13,0.3);
}

.header_menu_container {
	text-align: right;
}

.header_menu button {
	height: 30px;
	margin-right: 14px;
	margin-bottom: 10px;
	margin-top: 10px;
	padding-bottom: 6px;
	padding-top: 6px;
	width: 30px;
}

.header_menu button div {
	height: 100%;
	width: 100%;
}	

.header_menu_list {
	display: none;
	flex-direction: column;
	align-items: center;
	justify-content: space-around;
}

.header_menu_list li:hover {
	background-color: goldenrod;
	border-radius: 30px;
}

.header_menu_list li a {
	display: inline-flex;
	padding: 15px 0;
}

@media (min-width: 780px) {
	.header_menu_list {
		display: flex;
		flex-direction: row;
	}
	
	.header_menu_list li {
		flex: 0 0 16%;
	}
	
	.header_menu {
		display: block;
	}
	
	.header_menu button {
		display: none;
	}
}

@media (max-width: 779px) {
	@media (max-height: 300px) {
		.show_header_menu {
			display: block;
		}
	}
	
	.show_header_menu {
		z-index: 3;
		background-color: rgba(225,175,13,0.3);
		backdrop-filter: blur(100px);
		border-top: 1px solid black;
		display: flex;
		justify-content: initial;
		position: fixed;
		height: 100%;
		width: 100%;
	}
	.show_header_menu li {
		width: 300px;
	}
	.show_header_menu li a {
		display: block;
		height: 100%;
		width: 100%;
		padding: 15px;
	}
	.hidde_header_menu_button {
		background-color: initial;
	}
}

@media (max-width: 779px) and (max-height: 300px) {
	.show_header_menu {
		display: block;
		height: calc(100% - 50px);
	}
	
	.show_header_menu li {
		height: 33.33%;
		float: left;
		width: 50%;
	}
	.header_menu_list li:hover {
		border-radius: initial;
	}
	.show_header_menu li:nth-child(odd):not(:last-child) {
		border-right: 1px solid black;
		border-bottom: 1px solid black;
	}
	.show_header_menu li:nth-child(odd) {
		border-right: 1px solid black;
	}
	.show_header_menu li:nth-child(even) {
		border-bottom: 1px solid black;
	}
}

.menu_open {
	background-color: lightblue;
	border-radius: 40%;
	position: relative;
}
.menu_open:after {
	content: "X";
	font-size: x-large;
	font-style: oblique;
	position: absolute;
	margin: 0;
	left: 50%;
	top: 50%;
  	-ms-transform: translate(-50%, -50%);
  	transform: translate(-50%, -50%);
}
.menu_open div {
	display: none;
}

@media (min-width: 2200px) {
	.header_menu {
		font-size: 22px;
	}
}

@media (min-width: 2500px) {
	.header_menu {
		font-size: 25px;
	}
}

@media (min-width: 2800px) {
	.header_menu {
		font-size: 28px;
	}
}

@media (min-width: 3000px) {
	.header_menu {
		font-size: 30px;
	}
}

@media (min-width: 3200px) {
	.header_menu {
		font-size: 32px;
	}
}

@media (min-width: 3500px) {
	.header_menu {
		font-size: 35px;
	}
}

@media (min-width: 3800px) {
	.header_menu {
		font-size: 38px;
	}
}