.navbar-collapse {
    background-color: #0A744C;
}
.back-header {
    background: linear-gradient(-3deg, #FFF calc(100% - 171px), #0A744C calc(100% - 170px));
}
.back-gray {
    background: linear-gradient(-3deg, #EED calc(100% - 151px), #FFF calc(100% - 150px));
}
.back-white {
    background: linear-gradient(-3deg, #FFF calc(100% - 151px), #EED calc(100% - 150px));
}
footer {
    background: linear-gradient(-3deg, #bcbaac calc(100% - 191px), #FFF calc(100% - 190px));
}
footer.gray {
    background: linear-gradient(-3deg, #bcbaac calc(100% - 191px), #EED calc(100% - 190px));
}