body {
    max-width: 700px;
    padding: 10px;
    margin: auto;
    background: white;
    color: black;
}

.tag {
    padding: 3px;
    background: black;
    color: white;
    border-radius: 5px;
}

.modal {
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.123);
}

.modal .header {
    width: calc(100% - 10px);
    padding: 0 5px;
    background: green;
    color: white;
    border-radius: 5px 5px 0 0;
}