.bg-wrapper {
    background-color: #fff;
}

.bg-wrapper:before {
    content: '';
    -webkit-transform: skew(0, -7deg);
    transform: skew(0, -7deg);
    position: absolute;
    left: 0;
    right: 0;
    top: -130px;
    height: 500px;
    background: #f7f9fb;
}