app/assets/stylesheets/responsive/alaveteli_pro/_stripe.scss
form.stripe-form {
#card-element {
border-color: #BBB;
border-style: solid;
border-width: 1px;
box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
color: rgba(0, 0, 0, 0.75);
border-radius: 0;
background-color: #ffffff;
padding: 5px;
margin-bottom: 1.5em;
}
#card-errors {
padding-top: 0.5em;
height: 1.5em;
color: red;
}
}