.gallery .flex{
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
grid-gap: 30px;
}

.gallery .flex img{
    width: 100%;
    height: 250px;
}
.frame{
    border: #2e1a12 solid 8px;
    box-shadow: 0px 0px 5px 0px #AAA;
    -moz-box-shadow: 0px 0px 5px 0px #AAA;
    -webkit-box-shadow: 0px 0px 5px 0px #AAA;
    transition: all 0.5s ease 0s;
    -ms-transition: all 0.5s ease 0s;
    -moz-transition: all 0.5s ease 0s;
    -webkit-transition: all 0.5s ease 0s;
    -o-transition: all 0.5s ease 0s;
    border-image: url('https://media.istockphoto.com/photos/laminate-wooden-floor-texture-background-picture-id1083302826?b=1&k=20&m=1083302826&s=612x612&w=0&h=CDbqjuW5xuIcbk9QSyNN7WaprOALN-JPcLADxZyZdBk=') 30;
  }