buzztone on "[Plugin: Contact Form 7] Message field box outline not showing up"

This is due to CSS styling applied to standard HTML form elements within your current WordPress theme.

Use Firebug or Chrome Dev Tools to first understand and then change the CSS used for your CF7 form elements.

See Styling Contact Form for a general explanation of styling CF7 forms using CSS. If you are not familiar with CSS, this page also includes some links to where you can learn CSS.