app/views/layouts/pdfs/prescription.pdf.erb
<!DOCTYPE html>
<html lang="es">
<head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type"/>
<title>Consulta Medica de <%= @appointment.patient %></title>
<style>
.container {
display: flex;
flex-direction: column;
}
.container > div {
word-wrap: break-word;
}
.header {
font-size: 13px;
margin-right: 80px;
}
.text-uppercase {
text-transform: uppercase;
}
.text-right {
text-align: right;
}
</style>
</head>
<body>
<div class="container">
<%= yield %>
</div>
</body>
</html>