.mv_img {
  width: 65vw;
}

.bg_color {
  width: 35vw;
}

.mv_title {
  font-size: 35px;
  padding-left: 20px;
}

@media screen and (max-width: 768px) {
  .mv_img {
    width: 100vw;
  }

  .mv_title {
    font-size: 25px;
  }
  .contact_btn_text {
    font-size: 14px;
  }
}