.form-signin,
.choose-customer {
  background-color: rgba(0,0,0,.3);
  padding: 25px;
  margin: 0 auto;
  margin-top: 100px;
}
.form-signin {
    max-width: 330px;
}
.form-signin h2 {
    margin-top: 0;
}
.form-signin .form-signin-heading,
.form-signin .checkbox {
    margin-bottom: 10px;
}
.form-signin .checkbox {
    font-weight: normal;
}
.form-signin .form-control {
    position: relative;
    height: auto;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding-top: 10px;
    padding-bottom: 10px;
    font-size: 16px;
}
.form-signin .form-control:focus {
    z-index: 2;
}
.form-signin input[type="email"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}