example/rails-4.2/app/assets/stylesheets/application.css
/*
*= require_tree .
*= require_self
*/
body { padding-top: 40px; width: 600px; margin: 0 auto; text-align: center; }
h1, h3, th { font-family: serif; }
h3 { margin-top: 50px; }
.field-error { color: red; }
.btn { display: inline-block; border: 0px solid black; background: #fff; text-decoration: none; padding: 5px 10px; line-height: 1.5em; color: #888 !important; }
.btn:hover { color: #fff !important; background: #000; cursor: pointer; }
table { margin: 0 auto; }
table td:first-child, table th:first-child { text-align: right; }
table td:last-child, table th:last-child { text-align: left; padding-left: 20px; }