.adaire-column{box-sizing:border-box;flex:1 1 0;min-height:80px;min-width:0}.adaire-column:empty:before{align-items:center;border:1px dashed #ddd;border-radius:4px;color:#757575;content:"Add content here";display:flex;font-size:13px;justify-content:center;min-height:80px}