.form-simple input[type="text"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.form-simple input[type="mail"] {
    margin-bottom: -1px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.form-simple input[type="password"] {
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.help-block ul {
    margin: 0 !important;
    padding: 0 !important;
}

    .help-block ul li {
        list-style: none;
    }