app.css

div.app-flex-container {
    display: flex;
    align-items: left;
}

div.app-flex-container > img {
    margin-right: 6px;
}

div.dl1 div.upload-container {
    height: 350px;
    max-height: 350px;
}

div.dl2 {
    max-height: 200px;
}

div.dl2 img {
    max-height: 200px;
}

.submit {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    border: var(--button-border-width) solid var(--button-primary-border-color);
    background: var(--button-primary-background-fill);
    color: var(--button-primary-text-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.submit[disabled] {
    cursor: not-allowed;
    opacity: 0.6;
}

.submit:hover:not([disabled]) {
    border-color: var(--button-primary-border-color-hover);
    background: var(--button-primary-background-fill-hover);
    color: var(--button-primary-text-color-hover);
}

.clear {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.clear[disabled] {
    cursor: not-allowed;
    opacity: 0.6;
}

.submit:active:not([disabled]), .clear:active:not([disabled]) {
    transform: scale(0.98);
}