app/static/style.css

/* || RESET CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.3em;

    min-height: 100vh;

    display: flex;
    flex-direction: column;

    background-color: #333;

    margin-inline: 1em;
}

h1 {
    color: #bbb;
}


/* || GENERAL STYLES */

header>h1 {
    text-align: center;
    margin: 0.5em 0;
}

main {
    flex-grow: 1;
}

.group {
    width:100%;
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 1em;
    row-gap: 2em;

    flex-wrap: wrap;
    position: relative;
}

.group .container {
    width: 90%;
    max-width:400px;
    height: 300px;
    overflow: hidden;
}

.container img {
    width:100%;
    height:90%;
    border-radius: 10px;
    border: 2px solid #fff;
    object-fit: contain;

    background-color: #222;
    /* object-fit: cover; */
}

.container__label {
    display: block;
    color: #fff;
    font-weight: 500;
    font-size: 0.9em;
}


#image_file_input {
    display: None
}

#original_img {
    cursor: pointer;
}



footer {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;

    text-align: center;
    font-size: 0.9em;

    margin-top: 2em;
    padding: 0.4em 0;
    color: #ccc;
}

footer a {
    text-decoration: underline;
    color: #fff;
}