#certificate-list {
  background: transparent;
  scroll-margin-top: 100px;
  text-align: center;
  height: 800px;
  margin-top: 300px;
}

#certificate_list_hang {
  display: flex;
}

#ertificate_list_both_all {
  margin-top: 100px;
}

#certificate_list_title {
  width: 50%;
  height: 600px;
  position: relative;
  top: 200px;
}

#certificate_list_img {
  display: grid;
  position: relative;
  top: -50px;
}

#certificate_list_img::before {
  content: " ";
  clear: both;
}

#certificate_list_img::after {
  content: " ";
  clear: both;
}


.certificate_list_img {
  width: 500px;
  height: 300px;
  position: absolute;
  top: 150px;
  transition: 0.5s ease-in-out;
  cursor: pointer;
}

.certificate_list_img img{
  width: 400px;
  height: 500px;
}

#list_img1 {
  background-color: transparent;
}

#list_img2 {
  background-color: transparent;
}

#list_img3 {
  background-color: transparent;
}

#list_img4 {
  background-color: transparent;
}

#certificate_list_img:hover #list_img1 {
  transform: translateX(-100px) rotate(-40deg);
}

#certificate_list_img:hover #list_img2 {
  transform: translateX(-50px) rotate(-30deg);
}

#certificate_list_img:hover #list_img3 {
  transform: translateX(0) rotate(-20deg);
}

#certificate_list_img:hover #list_img4 {
  transform: translateX(100px) rotate(-10deg);
}

#list_img1:hover {
  transform: translateX(-150px) rotate(0deg) !important;
  z-index: 10;

}

#list_img2:hover {
  transform: translateX(-100px) rotate(0deg) !important;
  z-index: 10;
}

#list_img3:hover {
  transform: translateX(-50px) rotate(0deg) !important;
  z-index: 10;
}

#list_img4:hover {
  transform: translateX(50px) rotate(0deg) !important;
  z-index: 10;
}