@keyframes welcome {
	0% {opacity:0}
	100% {opacity:1}
}
html{
	background-color: rgba(15,15,15,1);
	font-family: Arial,sans-serif;
	animation-timing-function: ease-in-out;
	animation-name: welcome;
	animation-iteration-count: 1;
	animation-duration: 1s;
}
body{
	margin:0;
}
h1{
	color: white;
	border-bottom: 3px solid white;
	padding-bottom: 16px;
}
h3{
	color: white;
	border-bottom: 3px solid white;
	padding-bottom: 17px;
	text-align: center;
	margin-top: 48px;
	margin-left: 5%;
	margin-right: 5%;
}
li.package{
	color: white;
	padding-top: 16px;
	margin-left: 10%;
	margin-right: 10%;
	font-size: 17px;
}
div.header_div{
	margin-top: 32px;
	border: 3px solid white;
	border-radius: 5px 5px 5px 5px;
	width: 75%;
	text-align: center;
	margin-right: auto;
	margin-left: auto;
	background: rgba(39,39,39,1);
}
p{
	color: white;
	margin-left: 10%;
	margin-right: 10%;
	font-size: 17px;
}
p.presentation{
	text-align:center;
	color: white;
	margin-top: -22px;
	margin-left: 0px;
	margin-right: 0px;
	padding-top: 16px;
	padding-bottom: 16px;
	margin-bottom: 0px;
	background-color: gray;
	border-radius: 0px 0px 5px 5px;
	font-size: 18px;
	
}
p.code{
	color: white;
	margin-left: 0px;
	font-style: italic;
}
div.code{
	background-color: #555555;
	border: 1px solid white;
	border-radius: 5px 5px 5px 5px;
	margin-right: 20px;
	margin-left: 10%;
	margin-right: 10%;
	padding-left: 20px;
	margin-bottom: 32px;
}
div.Blog_article{
	width: 80%;
	margin-left: auto;
	margin-right: auto;
	border-radius: 10px;
	border: 3px solid white;
	margin-top: 48px;
	background-color: #272727;
}

p.Blog_article{
	text-align:center;
}

div.Blog_article:hover{
	box-shadow: 1px 2px 3px 4px  rgba(255,255,255,0.6);
}
h2.Blog_article{
	color: white;
	text-align: center;
	background-color: red;
	padding: 10px;
	margin-top: 0px;
	border-radius: 7px 7px 0px 0px;
	border-bottom: 2px solid white;
}
h2.Blog_article#Linux{
	background-color: #559ecf;
}

a{
	text-decoration: none;
}