Accordionjs.css

.mbanner {
  width: 100%;
  height: 100%;
  position: relative;
  left: 0;
  overflow: hidden;
}
.mbanner div {
  transition-duration: 0.3s;
  height: 100%;
  display: inline-block;
  position: absolute;
  background-size: cover;
  cursor: pointer;
}
.mbanner div img {
  border: none;
  width: 100%;
  height: 100%;
}
.mbanner div span {
  -webkit-font-smoothing: antialiased;
  position: absolute;
  bottom: 10px;
  left: 10px;
  color: #fff;
  font-family: Verdana;
  font-size: 20px;
  transform-origin: left;
  transform: translateX(10px) translateY(10px) rotate(-90deg);
  -webkit-transition-duration: 0.2s;
  -moz-transition-duration: 0.2s;
  -ms-transition-duration: 0.2s;
  -o-transition-duration: 0.2s;
  transition-duration: 0.2s;
}
.mbanner div:before {
  content: '';
  width: 100%;
  height: 100%;
  background-color: black;
  opacity: 0.3;
  position: absolute;
  left: 0;
  top: 0;
  transition-duration: 0.6s;
}
.mbanner div:last-child span {
  transform: translateX(0px) translateY(0px) rotate(0deg);
}
.mbanner .op:before {
  content: '';
  transition-duration: 0.4s;
  opacity: 0 !important;
  z-index: -1;
}