body{
    background: #191919;
    
    
}
h1{
    color: white;
    font-family: 'Noto Serif JP Black';
    font-size: 53px;
    text-align: center; 
}

.center {
    margin: 2% auto;
    height: 75%;
    width: 30%;
    border: 3px solid white;
    padding: 1% auto;
  }
.gallery{
    width: 2000px;
    display: flex;
    overflow-x: scroll;
}
.gallery div{
    width: 100%;
    display: grid;
    grid-template-columns: auto auto auto ;
    grid-gap: 20px;
    padding: 10px;
    flex: none;
}
.gallery div img{
    width: 100%;
    filter: grayscale(100%);
    transition: transform 0.5s;
}
.gallery::-webkit-scrollbar{
    display: none;
}
.gallery-wrap{
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1% auto;
}
#backBtn, #nextBtn{
    width: 50px;
    cursor: pointer;
    margin: 40px;
}
.gallery div img:hover{
    filter: grayscale(0);
    cursor: pointer;
    transform: scale(1.1);
}