@page {
    size: A6 portrait;
    margin: 0;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    min-height: 100%;
    margin: 0;
    background: #252a32;
    font-family: Arial, Helvetica, sans-serif;
}

.label-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 105mm;
    margin: 10px auto;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
}

.label-toolbar button {
    padding: 8px 12px;
    border: 0;
    border-radius: 5px;
    color: #fff;
    background: #167548;
    font: inherit;
    cursor: pointer;
}

#shipment-label {
    display: block;
    width: 105mm;
    height: 148mm;
    margin: 0 auto;
    border: 0;
    background: #fff;
}

@media print {
    html,
    body {
        width: 105mm;
        height: 148mm;
        overflow: hidden;
        background: #fff;
    }

    .label-toolbar {
        display: none;
    }

    #shipment-label {
        width: 105mm;
        height: 148mm;
        margin: 0;
    }
}