.certificate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  grid-gap: 20px;
  margin-top: 50px;
}

.certificate-grid a {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  transition: transform 0.3s;
}

.certificate-grid img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  transition: transform 0.5s, box-shadow 0.5s;
}

.certificate {
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

.certificate img {
  width: 100%;
  border-radius: 10px;
  display: block;
  transition: transform 0.5s;
}

.certificate-layer {
  width: 100%;
  height: 100%;
  background: #ff004f;
  border-radius: 10px;
  position: absolute;
  left: 0;
  bottom: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 40px;
  text-align: center;
  font-size: 14px;
  opacity: 0%;
  transition: opacity 0.5s;
}

.certificate-layer a {
  text-decoration: none;
}

.certificate-layer a i {
  color: #ff004f;
  font-size: 18px;
  line-height: 60px;
  background: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  opacity: 100%;
}

.certificate:hover img {
  transform: scale(0.95);
}

.certificate:hover .certificate-layer {
  opacity: 90%;
}