* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 1px solid black;
}

.frame {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 1em 1em 2em 1em;
    border: 1px solid black;
    background-color: white;
}