.hero {
  width: 100%;
  height: auto;
  margin-top: -100px;
  position: relative;
  background: rgb(81, 129, 84);
  overflow: hidden;
  z-index: 0;
}
.hero--background--image {
  background: url(../img/hero.jpg);
  background-position: center;
  background-size: cover;
}
.hero--background--image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.2);
  z-index: 0;
}
.hero--size--big .hero__text {
  padding-top: 180px;
  padding-bottom: 150px;
}
.hero--btn--back .hero__text {
  padding-top: 100px;
}
.hero::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 115px;
  bottom: -60px;
  background: url(../img/white-substract.svg);
  background-size: contain;
  background-position: center;
  background-repeat: repeat-x;
  z-index: 2;
}
.hero__back {
  width: 100%;
  justify-content: flex-start;
  height: 100px;
  display: flex;
  align-items: center;
  font-weight: 600;
  font-size: 16px;
  line-height: 30px;
  -moz-column-gap: 8px;
       column-gap: 8px;
  color: #fff;
}
.hero__text {
  padding-top: 170px;
  padding-bottom: 100px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.hero__title--text-transform--none {
  text-transform: none;
}
.hero__description {
  line-height: 31px;
  color: rgb(255, 255, 255);
  margin-top: 10px;
}

@media screen and (max-width: 768px) {
  .hero::after {
    height: 81px;
    bottom: -44px;
  }
}