table,td,th{ border:1px gray dashed; border-spacing:0px; gap:0px; } th{ min-width:16px; min-height:16px; width:16px; height:16px; } .dot{ height: 25px; width: 25px; background-color: #bbb; border-radius: 50%; display: inline-block; border:2px black solid; margin-left:1px; }