usth/ICT3.2/prac/1/task10.html


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<!DOCTYPE html>
<style>
body { margin: 0; }
div {
    box-shadow:
        -1vmin 0 0 0 #2f528f inset,
        1vmin 0 0 0 #2f528f inset,
        0 1vmin 0 0 #2f528f inset,
        0 -1vmin 0 0 #2f528f inset;
}
.container { background: #c5e0b8 }
.header {
    height: 20vh;
    background-color: #4472c4; 
}
.wrapper:after {
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}
.nav {
    width: 25%;
    height: 70vh;
    background: #dbdbdb;
}
.footer {
    height: 10vh;
    background-color: #4472c4; 
}
</style>

<body>
  <div class=container>
    <div class=header></div>
    <div class=wrapper>
      <div class=nav></div>
      <div class=section></div>
    </div>
    <div class=footer></div>
  </div>
</body>
</html>