html {
    background: black;
    height: 100%;
}

body {
    color: white;
    font-family: 'Trebuchet MS', 'Helvetica', 'Arial', sans-serif;
    text-align: center;
    height: 100%;
    margin: 0;
}

.flexbox {
    display: flex;
}
.flexbox > * {
    text-align: center;
    flex: 1;
}

.step {
    background-color: tomato;
    margin: 5px;
}

input[type='file'] {
    background-color: white;
    color: black;
}

img {
    width: 300px;
    height: 300px;
    object-fit: contain;
}

#canvas-area {
    cursor: pointer;
}