.portfolioimagediv {
    min-width:100px
}
.portfolioimagediv > img {
    image-rendering: pixelated;
    max-width:100%;
    min-width:100%;
    object-fit:cover;
}
img.icon {
    filter: drop-shadow(5px 5px 10px black);
}
.textbox {
    margin:3%;
    padding:3%;
    background-image: url('textbox.png');
    background-size: 100% 100%;
    text-align:center;
    box-shadow: 10px 10px 5px black;
}

.topdiv {
    margin:4%;
    padding:3%;
    display:flex;
    flex-direction:column;
}