.section-top-b_bg, .section-top-c_bg, .section-one-a_bg,
.section-one-bc_bg, .section-one-de_bg, .section-one-fgh_bg, .section-one-i_bg,
.section-two-a_bg, .section-two-bc_bg, .section-two-de_bg, .section-two-fgh_bg,
.section-two-i_bg, .section-thr-a_bg, .section-thr-bc_bg, .section-thr-de_bg,
.section-thr-fgh_bg, .section-thr-i_bg {
    padding-top: 30px;
    padding-bottom: 30px;
}

.section-top-b_bg{
    background-repeat: no-repeat;
    background-size: cover;
}