.k1,
.k2,
.k3,
.k4,
.k5,
.k6,
.k7 {
    padding: 10px 20px 10px 20px;
    background-color: #e6e6e6
}

h2 {
    font-size: 18px;
    font-weight: 700;
}

.nf-form-content label {
    font-size: 18px;
}