040_Unidades001 copy 2.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Unidades</title>
</head>

<style>

    .box{
        border: 2px blue solid;
        background-color: yellow;
        text-align: center;
        opacity: 0.2;
        
    }

    
</style>




<body>

    

        <div class="wrapper">
            <div class="box"> I am 10em wide.</div><br>

        </div><br>
        


        
 
    
    
</body>
</html>