<style>
.maindiv {
  position: relative;
  width: 100% !important;
  
  margin-left: 15% !important;
  padding: 0 !important;
}

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

.middle {
  transition: .5s ease;
  opacity: 0;
  position: absolute;
  width: 90%;
   top: 50%;
   left: 50%;
  
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}

.maindiv:hover .image {
  opacity: 0.2;
}

.maindiv:hover .middle {
  opacity: 1;
}

.text {
 
  color: white;
  font-size: 16px;
  word-spacing: 2px;
  padding: 16px 32px;
  line-height: 25px;
 text-align: center;
}

@media only screen and (max-width: 800px) {
 
  .maindiv {
  position: relative;
  width: 100% !important;
  
  margin-left: 15% !important;
  padding: 0 !important;
}

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

.middle {
  transition: .5s ease;
  opacity: 0;
  position: absolute;
  width: 100%;
   top: 50%;
   left: 50%;
  
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}

.maindiv:hover .image {
  opacity: 0.2;
}

.maindiv:hover .middle {
  opacity: 1;
}

.text {
 
  color: white;
  font-size: 12px;
  word-spacing: 2px;
  padding: 16px 32px;
  line-height: 16px;
 text-align: center;
}

}