Untitled

<!DOCTYPE html>
<html>
<head>
    <title>Elementos Flutuantes</title>
    <meta charset="utf-8">
    <style type="text/css">

.borda{
    border: 1px solid red;
    display: inline;
}

    </style>
</head>
<body">

<h1 class="borda">Bloco 1</h1>
<h1 class="borda">Bloco 2</h1>


</body>
</html>