Sorry for the delay:
1) Login button height. templates/jm-modern-store/css/template.css at line 527 is setting the height of all buttons to 55px
To fix, either remove that line or add the following to your template:
.sourcecoast button {
height: 30px;
}
2) Moving the Facebook Login
Moving it inline with that would take a bit of PHP changes and likely some CSS. I'll have to look into the best option for doing that. For now, I'd recommend checking the options in the SCLogin module for positioning the social buttons on the right of the module instead of the bottom. That may work out for you, but if not, let us know.
5) Logout / Greeting placement:
Add the following to your template's CSS:
.sclogin-greeting {
float: left;
}
.sclogout-button form {
margin: 0;
}I hope that helps get you going, but should you need anything else, just let me know.
Thanks,
Alex