Form is not showing the send button

Please include a link to your Contact Form 7 form. If others here are able to understand your actual problem, they may be able and willing to offer a possible solution.

https://www.pixeldev.us/aot/djs/

The Send button is there – it’s just not visible due to the following inline CSS statement in https://www.pixeldev.us/aot/djs/:

.button, .button-alt, .button-alt-light, .button-alt-light-big, input[type="submit"] {
    display: none;
    margin: 0.3rem;
}

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Use Firebug or Chrome Dev Tools to examine the HTML and CSS of your CF7 form in detail. Once you understand how the HTML and CSS is configured in your CF7 form, you should be able to see the CSS changes you need to change the appearance of the form to suit your requirements.

See Styling Contact Form for a general explanation of styling CF7 forms using CSS.

There is a link at the bottom of the page to a comprehensive and detailed article on Styling Contact Form 7 Forms. The article shows people, with suitable HTML & CSS skills, how to change the appearance of their Contact Form 7 Forms to meet their particular requirements.