inlineBlok.html

<!DOCTYPE html>
<html lang="tr">

<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        .c1 {
            width: 90px;
            height: 90px;
            display:inline-block;
        }

        #i1 {
            background-color: aqua;
        }

        #i2 {
            background-color: green;
        }

        #i3 {
            background-color: blueviolet;
        }
    </style>
</head>

<body>
    <div class="c1" id="i1">1</div>
    <div class="c1" id="i2" style="display:none ;">2</div>
    <div class="c1" id="i3">3</div>


</body>

</html>