styles.css

* {
	box-sizing: border-box;
}

.container {
	max-width: 960px;
	margin: 0 auto;
	padding: 0 15px;
}

body {
	background-color: #f9f9f9;
	font-family: "helvetica";
	margin:0 0 1em 0;
}

.clearfix:after,
.headings:after {
	content: "";
	display: table;
	clear: both;
}

.header_container {
	display: flex;
	justify-content: space-between;
	margin-top: 2.37em;
	align-items: center;
}

.header_logo {
	max-width: 100px;
	margin-left: -12px;
}

.logo {
	display: block;
	max-width: 100%;
}

.headings {
	display: inline-block;
	text-align: right;
	color: #2d3c49;
	flex: 1;
	margin-right: 1em;
}

.headings > p {
	margin: 0.2em;
	font-size: 0.8em;
}

.header_pict {
	max-width: 72px;
	margin: 0 auto;
}

.pict {
	border-radius: 50%;
	max-width: 100%
}

.heading_title {
	margin: 0;
	line-height: 1em;
}

.line {
	border-bottom: 2px solid;
	color: #7d97ad;
	margin-top: 1em;
	margin-bottom: 1em;
}

.background_img{
	background-image: url('img/546008844.jpg');
	background-attachment: fixed;
	background-size: cover;
	background-position: center;
	text-align: center;
	padding: 65px;
}

.background_img > h1 {
	font-size: 3em;
	letter-spacing: 0.025em;
	font-weight: 500;
}

.background_img  h2 {
	font-size: 1.5em;
	letter-spacing: 0.025em;
	font-weight: 500;
}

.background_img div img {
	max-width: 100%;
}

.work_title {
	color: #7d97ad;
	font-weight: lighter;
	margin-top: 1.5em;
	margin-bottom: 0.5em;
}

.projects_container {
	display: flex;
	flex-wrap: wrap;
	max-width: 100%;
	text-align: center;
	margin-bottom: 1em;
}

.project_border {
	flex: 1;
    flex-basis: 25%;	
	margin: 12px;
}

/*.project_border:nth-child(3n) {
	margin-right: 0;
}

.project_border:nth-child(3n+1) {
	margin-left: 0;
}*/

.project {
	height: 100%;
	border-radius: 5px;
	box-shadow:0px 1px 4px #d4d4d4;
	padding: 15px;
	background-color: white;
}

.project_img {
	border-radius: 5px;
	max-width: 100%; 
	display: block;
}

.project_title {
	margin-top: 1.6em;
	margin-bottom: 0.7em;
}

.project_title:hover + .description {
	overflow: visible;
}

li {
	margin-left: 15px;
}

.bottom {
	text-align: left;
}

.description {
	margin: 0px;
	font-size: 14px;
	overflow: hidden;
}

.bottom ul {
	margin: 0px;
	padding: 0;
	font-size: 14px;
}

.main_img {
	max-width: 100%;
	display: block;
}


a {
	font-size: 0.9em;
	display: inline-block;
	text-decoration: none;
	margin-top: 0.5rem;
}

a:visited {
	color: blue;
}

a:hover {
	position: relative;
	top: 2px;
}

.icon {
	padding: 0.5em;
	display: block;
	max-width: 38px;
}

.github-page {
	display: block;
}




/**
*
* RESPONSIVE
*  (Nexus 5)
*
*/


@media screen and (max-width: 360px) {

	.container {
		padding: 0 20px;
	}

	body {
		font-size: 0.9em;
	}

	.header_logo {
		max-width: 80px;
	}

	.pict {
		display: none;
	}

	.background_img{
		padding: 70px;
	}

	section > h1 {
		font-size: 35px;
	}

	.projects_container {
		display: inline;
	}

	.project_border {
		height: 100%;
		width: 100%;
		margin: 0 0 12px 0;
	}

	.bottom {
		padding: 0 10px;
		margin-bottom: 20px; 
	}

	.bottom > p {
		margin: 0 0 1em 0;
		font-size: 1em;
		line-height: 1em;
	}

	a {
		text-align: center;
		font-size: 1.1em;
	}
}


@media screen and (min-width: 361px) and (max-width: 768px){

	.container {
		padding: 0 25px;
	}

	body {
		font-size: 0.9em;
	}

	.header_logo {
		max-width: 82px;
	}

	.pict {
		display: none;
	}

	.background_img{
		padding: 70px;
	}

	section > h1 {
		font-size: 35px;
	}

	.projects_container {
		display: inline;
	}

	.project_border {
		height: 100%;
		width: 100%;
		margin: 0 0 12px 0;
	}

	a {
		text-align: center;
		font-size: 1em;
	}
}