<div id="wrap">
    <div id="header">
        <div class="container"></div>
    </div>
    <div id="nav">
        <div class="container"></div>
    </div>
    <div id="section">
        <div class="container"></div>
    </div>
    <div id="footer">
        <div class="container"></div>
    </div>
</div>

*{
   box-sizing: 0;
   padding: 0;
   margin: 0;
}
#header {
   height: 100px;
   background-color: #E0F2F1;
}
#nav {
   height: 300px;
   background-color: #80CBC4;
}
#section {
    height: 580px;
    background-color: #26A69A;
}
#footer {
    height: 100px;
    background-color: #00897B;
}
.container {
    width: 1200px;
    height: inherit; 
    margin: 0 auto;
    background-color: rgba(0, 0, 0, 0.3);
}
@media (max-width: 1220px) {
    .container {
        width: 96%;
    }
}
@media (max-width: 768px) {
    .container {
        width: 100%;
    }
}