.section1 {
  background-image: url('../img/bg-image.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  position: relative;
  height: 49vh;
}

.color-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(76, 204, 76, 0.8);
}

.dark-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
}