body{
	background-color: black;
	color: white;
}

#web_title{
	margin-left: 20px;
}

#nav_bar{
	margin-left: 20px;
	margin-right: 20px;
}

button{
	border-radius: 12px;
	padding: 15px 15px;
	background-color: white;
	border: 2px solid black;
	cursor: pointer;
}

button:hover{
	background-color: #ff9000;
	color: white;
}

.dropdown{
	float: right;
	position: relative;
	display: inline-block;
}

.dropdown-content{
	display: none;
	position: absolute;
	overflow: auto;
	z-index: 1;
	background-color: grey;
	width: 75px;
	right: 0;
}

.dropdown-content a{
	color: black;
	padding: 12px 12px;
	text-decoration: none;
	display: block;
	text-align: center;
}

.dropdown-content a:hover{
	background-color: #ff9000;
}

.show{
	display: block;
}

.section_info{
	text-align: center;
}

.section_info > ul{
	display: inline-block;
	text-align: left;
	margin-top: -10px;
}

#about_me{
	margin-left: 200px;
	margin-right: 200px;
}

#about_me > img{
	height: 190px;
	width: 190px;
	border-radius: 50%;
}

#about_me p{
	margin-top: -10px;
}

a:link{
	color: white;
}

a:visited{
	color: white;
}

#photos{
	line-height: 0;
	-webkit-column-count: 3;
	-webkit-column-gap: 0px;
	-moz-column-count: 3;
	-moz-column-gap: 0px;
	column-count: 3;
	column-gap: 0px;
	margin: 20px;
}

img{
	width: 100%;
	height: auto;
}

.pic{
	position: relative;
}

.text{
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	line-height: normal;
	visibility: hidden;
	text-align: center;
}

.pic:hover .text{
	visibility: visible;
}

.pic:hover img{
	filter: blur(20px);
}

.px_538{
	height: 538px;
}

.px_500{
	height: 500px;
}

.px_303{
	height: 303px;
}

.px_227{
	height: 227px;
}

#skytree{
	height: 673px;
}

#peace_park{
	height: 690px;
}

#raohe{
	height: 319px;
}

@media screen and (max-width: 1000px){
	#about_me{
		margin-left: 150px;
		margin-right: 150px;
	}

	#photos{
		-webkit-column-count: 2;
		-moz-column-count: 2;
		column-count: 2;
	}

	.px_538{
		height: 500px;
	}

	.px_227{
		height: 250px;
	}

	#skytree{
		height: 650px;
	}

	#peace_park{
		height: 631px;
	}
}

@media screen and (max-width: 650px){
	#web_title{
		margin-left: 10px;
	}

	#nav_bar{
		margin-left: auto;
		margin-right: auto;
		position: relative;
	}

	.dropdown{
		display: block;
		float: none;
	}

	.dropdown-content{
		right: initial;
		margin-top: -13px;
		position: relative;
		width: 75px;
		top: 50%;
		left: 50%;
		transform: translate(-50%, 0%);
	}

	button{
		display: block;
		margin: auto;
		margin-bottom: 15px;
	}

	#about_me{
		margin-left: 75px;
		margin-right: 75px;
	}

	#photos{
		-webkit-column-count: 1;
		-moz-column-count: 1;
		column-count: 1;
		margin: 40px;
	}
}