.writing-item-square {
    display: inline-block;
    width: 16px;
    height: 16px;
    min-width: 16px;
    border-radius: 3px;
    font-size: 9px;
    text-align: center;
    line-height: 16px;
}

.writing-item-square--selected {
    outline: 2px solid #696969;
}