body{
    background-image:url(https://th.bing.com/th/id/OIG1.nzyAIU1aKJ5RZ_vBWygx?w=270&h=270&c=6&r=0&o=5&dpr=1.5&pid=ImgGn);
    background-repeat: no-repeat;
    background-size: cover;
}
.gallery{
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(300px,1fr));
    gap: 20px;
    margin: auto;
    max-width: 1000px;
    transition: transform 1s;
}
.gallery img{
    width: 100%;
    height: 220px;
    cursor: pointer;

}
.gallery img:hover{
    transform: rotate(10deg);
    border-radius: 10px;
}
.popup{
    display: none;
    position:fixed;
    top:0px;
    left:0px;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    justify-content: center;
    align-items: center;
}
.popup-image{
    max-width: 80%;
    max-height: 80%;
}
.close{
    position:absolute;
    top: 30px;
    right: 30px;
    cursor:pointer;
    font-size: 40px;
    color:blueviolet;
    padding: 5px;
}
.close:hover{
    position:absolute;
    top: 30px;
    right: 30px;
    cursor:pointer;
    font-size: 40px;
    color:white;
    background-color: blueviolet;
    padding: 5px;
    border-radius: 10px;
}
.right img{
    position: absolute;
    top: 40%;
    right: 10px;
    align-items: center;
    justify-content: center;
}

.left img{
    position: absolute;
    top: 40%;
    left: 10px;
    align-items: center;
    justify-content: center;
}