body {
	background-color: #ffffff;
	margin: 0;
	font-family: "Open Sans", sans-serif;
	color: black;
	font-size: 16px;
  }
  .tech {
	color: black;
	text-align: center;
	font-weight: bold;
	padding-bottom: 50px;
  }
  .logo {
	text-align: center;
	margin-top: 75px;
  }
  
  .logo img {
	width: 650px;
  }
  
  .row {
	position: absolute;
	margin: 220px auto;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	width: 80%;
	height: 400px;
	background-color: #ffffff;
  }
  
  .text {
	position: relative;
	float: left;
	background-color: grey;
	width: 100%;
	height: 270px;
	min-width: 250px;
	color: white;
  }
  
  .address {
	padding: 32px 50px 0px 50px;
	text-align: center;
	color: black;
	font-weight: bold;
	font-size: 18px;
  }
  
  .content {
	padding: 30px 45px 57px 30px;
  }
  
  .email {
	text-decoration: underline;
	color: #4682b4;
  }
  
  .hsf {
	text-align: center;
	padding: 50px 50px 30px 50px;
	background-color: #006ab0;
  }
  
  .lille {
	width: 100%;
	padding-bottom: 5px;
  }
  
  .reims {
	width: 100%;
  }
  
  .footer {
	text-align: center;
	display: flex;
	color: black;
	padding: 50px 50px 30px 50px;
  }

  a {
	color: inherit;
	/* blue colors for links too */
	text-decoration: inherit;
	/* no underline */
  }

  @media only screen and (min-width: 300px) and (max-width: 768px) {
	.logo img {
	  width: 290px;
	}
	body {
		font-size: 10px;
	  }
	.row {
	  margin: 115px auto;
	}

	.logo {
	  margin-top: 40px;
	}
	.content {
	  padding: 15px 15px 51px 15px;
	}

	.footer {
	  text-align: center;
	  color: black;
	  padding: 0 0 0 0;
	  display: block;
	}

	.text {
	  height: 200px;
	}

	.address {
	  font-size: 12px;
	  padding: 8px 45px 8px 45px;
	}

	.hsf {
	  padding: 15px 40px 10px 40px;
	}
  }
  
  @media only screen and (min-width: 768px) and (max-width: 1024px) {
	.row {
	  width: 83%;
	}
  
	.logo img {
	  width: 600px;
	}
  
	.text {
	  font-size: 16px;
	  width: 100%;
	  height: 240px;
	}
  
	.content {
	  padding: 15px 15px 10px 15px;
	}
  
	.footer {
	  padding: 10px 0px 0px 0px;
	}
  }
  
  @media only screen and (min-width: 1025px) and (max-width: 1600px) {
	.row {
	  width: 80%;
	}
  
	.content {
	  padding: 16px 25px 46px 25px;
	}
  
	.text {
	  height: 230px;
	}
  
	.hsf {
	  font-size: 20px;
	}
  }
  
  @media only screen and (min-width: 1600px) {
	.row {
	  width: 67%;
	}
  
	.content {
	  padding: 17px 10px 30px 35px;
	}
  
	.text {
	  height: 230px;
	}
  
	body {
	  font-size: 20px;
	}
  
	.logo img {
	  width: 850px;
	}
  
	.hsf {
	  font-size: 22px;
	}
  
	.address {
	  font-size: 22px;
	}
  
	.lille {
	  font-size: 22px;
	}
  
	.reims {
	  font-size: 22px;
	}
  }