body {
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #f5f5f5;
}

.form-signin {
    max-width: 330px;
    padding: 15px;
    margin: auto;
}

.form-signin .form-signin-heading,
.form-signin .checkbox {
    margin-bottom: 10px;
}

.form-signin .form-control {
    position: relative;
    height: auto;
    padding: 10px;
    font-size: 16px;
}

.form-signin .form-control:focus {
    z-index: 2;
}

.form-signin input[type="email"],
.form-signin input[type="password"] {
    margin-bottom: 10px;
    border-radius: 0; /* Simplified this rule */
}