.boxTitle {
  background-color: #000;
  position: relative;
}

#projectPE .projectPETitle {
  background-color: #000;
  color: #fff;
  text-align: center;
  font-family: serif;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
  text-align: center;
  padding: 10px 20px;
  font-size: clamp(18px, 3vw, 26px);
  z-index: 2;
  position: relative;
}

#projectPE .box-green {
  background-color: #ddff8f;
  padding: 20px;
}

#projectPE .btn-box-green {
  background-color: transparent;
  border: 2px solid #000;
  padding: 10px 30px;
  font-size: clamp(16px, 3vw, 20px);
}

#projectPE .line {
  width: 100%;
  height: 3px;
  background-color: #ddff8f;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
}

@media (min-width: 0px) {
  #projectPE .box-green {
    flex-direction: column;
    gap: 10px;
  }
}

@media (min-width: 600px) {
  #projectPE .box-green {
    flex-direction: row;
    gap: 0;
  }
}