body {
  margin:20px;
  padding:0;
  text-align:center;
}
.container{
  display:grid;
  grid-template-columns: repeat(6,1fr);
  grid-auto-rows:100px 300px;
  grid-gap:10px;
  grid-auto-flow: dense;
  gap:50px;
}

.gallery-item{
  width:100%;
  height:100%;
  position:relative;
}

.gallery-item .image{
  width:100%;
  height:100%;
  overflow:hidden;
}

.gallery-item .image img{
  width:100%;
  height:100%;
  object-fit: cover;
  object-position: 50% 50%;
  cursor:pointer;
  transition:.5s ease-in-out;
}
.gallery-item:hover .image img{
  transform:scale(1.5);
}

.gallery-item .text{
  opacity:0;
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  color: #2af733;
  font-size:25px;
  pointer-events:none;
  z-index:4;
  transition: .3s ease-in-out;  
}  

.gallery-item:hover .text{
  opacity:1;
  animation: move-down .3s linear;
  padding:1em;
  width:100%;
}  

.w-1{
  grid-column: span 1;
}

.w-2{
  grid-column: span 2;
}

.w-3{
  grid-column: span 3;
}

.w-4{
  grid-column: span 4;
}

.w-5{
  grid-column: span 5;
}

.w-6{
  grid-column: span 6;
}

.h-1{
  grid-row: span 1;
}

.h-2{
  grid-row: span 2;
}

.h-3{
  grid-row: span 3;
}

.h-4{
  grid-row: span 4;
}

.h-5{
  grid-row: span 5;
}

.h-6{
  grid-row: span 6;
}

@media screen and (max-width:500px){
  .container{
    grid-template-columns: repeat(2,1fr);
 }
 .w-1,.w-2,.w-3,.w-4,.w-5,.w-6{
   grid-column: span 1;
 }
}

@keyframes move-down{

  0%{
    top:10%;
  }
  50%{
    top:35%;
  }
  100%{
    top:50%;
  }
}