*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Palatino Linotype;
}
.container{
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px 8%;
}
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
    grid-gap: 30px;
}
.gallery img{
    width: 100%;
}


.topnav a {
    position: absolute;
    background-color: #333;
    top: 0;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
  }