Буду очень признательна ответ!)
<!DOCTYPE html>
<html lang="ru">
<head>
<title>Испытание: строим сетку</title>
<meta charset="utf-8">
</head>
<body>
<div class="wrapper">
<div class="header clearfix">
<div class=" head">
Header
</div>
<div class=" menu">
Menu
</div>
<div class="layout-column column-1">
Promo 1
</div>
<div class="layout-column column-2">
Promo 2
</div>
</div>
<div class="features clearfix">
<div class="layout-column blue">
Left
</div>
<div class="layout-column blue-centre">
Main
</div>
<div class="layout-column blue-1">
Right
</div>
</div>
<div class="footer">
Footer
</div>
</div>
</body>
</html>
html,
body {
margin: 0;
padding: 0;
}
body {
width: 450px;
height: 335px;
font-family: “Arial”, sans-serif;
font-size: 10px;
color: white;
}
.wrapper {
width: 350px;
padding: 10px 50px;
background-color: #34495e;
}
.clearfix::after {
display: table;
content: “”;
clear: both;
}
.header {
margin-bottom: 20px;
color: white;
}
.header .head {
padding: 5px 5px;
height: 25px;
margin-bottom: 10px;
background-color: #c0392b;
}
.header .menu {
padding: 5px 5px;
height: 25px;
margin-bottom: 10px;
background-color: #3498DB;
}
.header .layout-column {
padding: 5px 5px;
height: 50px;
width: 160px;
background-color: #c0392b;
}
.header .column-1 {
float: left;
margin-right: 10px;
}
.header .column-2 {
float: right;
}
.features {
margin-bottom: 10px;
}
.features .layout-column {
padding: 5px 5px;
float: left;
margin-right: 10px;
height: 100px;
background-color: #3498DB;
}
.features .blue {
width: 60px;
margin-left: 0px;
}
.features .blue-centre {
width: 180px;
}
.features .layout-column:last-child {
margin-right: 0;
}
.footer {
padding: 5px 5px;
}