.bild-container {
    position: relative;
}

.bild {
  opacity: 1;
  display: block;
  width: 100%;
  height: auto;
  transition: .5s ease;
  backface-visibility: hidden;
}

.bild-middle {
  transition: .5s ease;
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}

.bild-container:hover .bild {
  opacity: 0.1;
}

.bild-container:hover .bild-middle {
  opacity: 1;
}

.bild-text {
  color: #a6a8a7;
  font-size: 25px;
}
.bild-text h4 {
  color: #a6a8a7;
  font-size: 30px;
white-space: nowrap;
}