/* style.css */
<style>

body {
    margin: 0;
	font-family: Garamond, serif;   
    color: #777;
  }


.header {
  text-align: center;
  padding: 32px;
}


.row {
  display: -ms-flexbox; /* IE 10 */
  display: flex;
  -ms-flex-wrap: wrap; /* IE 10 */
  flex-wrap: wrap;
  padding: 0 20px;
}
/* Create four equal columns that sits next to each other */
.column {
  -ms-flex: 25%; /* IE 10 */
  flex: 25%;
  padding: 0 4px;
}

.column img {
  margin-top: 8px;
  vertical-align: middle;
}

/* Style the buttons */
.btn {
  border: none;
  outline: none;
  padding: 10px 16px;
  background-color: #f1f1f1;
  cursor: pointer;
  font-size: 18px;
}

.btn:hover {
  background-color: #ddd;
}

.btn.active {
  background-color: #666;
  color: white;
}

	 .container {
    padding: 5px 5px;
  }
 

a {
  color: #00bcd4;
  text-decoration: none;
}

 h1 {
    margin: 10px 0 30px 0;
    letter-spacing: 10px; 
    font-family: Garamond, serif;
    font-size: 20px;
    color: white;
  }
	
 h2 {
    margin: 10px 0 10px 0;
    padding:5px 0 5px 0;
    letter-spacing: 10px;  
    font-family: Garamond, serif;   
    font-size: 40px;
    color: blue;
	text-align: center;
  }
 h3 {
    margin: 5px 0 5px 0;
    letter-spacing: 8px; 
    font-family: Garamond, serif;	
    font-size: 16px;
    color: blue;
  }

 h4  {
    margin: 10px 0 30px 0;
    letter-spacing: 10px;     
    font-family: Garamond, serif; 	
    font-size: 20px;
    color: white;
  }
 
 
  /* Container settings 
================================================== */  


.container {
  position: relative;
  width: 100%;
 	max-width: 3600px;
  
}

.container img {
  width: 100%;
  height: auto;
  padding: 3px 3px; 
}

.container .btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  background-color: rgba(4, 170, 109, 0.6);
  color: white;
  font-size: 12px;
  padding: 6px 25px;
  border: 1px solid white;
  cursor: pointer;
  border-radius: 3px;
  text-align: center;
}

.container .btn:hover {
  background-color: rgba(4, 170, 109, 0.9);
  color: white;
}

 
  /* Footer settings 
================================================== */  
 	footer {
    background-color: #2d2d30;
    color: #f5f5f5;
    padding: 10px;
  }
  footer a {
    color: #f5f5f5;
  }
  footer a:hover {
    color: #777;
    text-decoration: none;
  }  
  .form-control {
    border-radius: 0;
  }
  textarea {
    resize: none;
  }
			
 <!-- Separate (Style) ----------------------------------------------------------------------------------->

 {
  box-sizing: border-box;
}
</style>