* {
    margin: 0;
}

.img-gallery {
    display: flex; 
    gap: 1rem;
    margin: 2vw;
}

/*------gallery item 1------*/

.gallery-item1 {
    flex: 33%;
    padding: 1rem;
    animation-name: translate;
    animation-duration: 2.5s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}
.gallery-item1, .gallery-item2, .gallery-item3, img {
    object-fit: cover;
    width: 100%;
    height: 30vw;
}
/*------gallery item 2------*/

.gallery-item2 {
    flex: 33%;
    padding: 1rem;
    animation-name: translate;
    animation-duration: 2.5s;
    animation-delay: .5s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}

/*------gallery item 3------*/

.gallery-item3 {
    flex: 33%;
    padding: 1rem;
    animation: 2.5s 1s translate ease-in-out infinite;
}



/*------keyframes------*/

@keyframes translate {
   0% {transform: none;

   }

    25% {transform: translateY(-25px);

   }
  
    50% {transform: translateY(0);

   }

   100% {transform: none;

   }
}