border-collapse property is for use on
<table> elements (or elements made to behave like a table through
display: table or
display: inline-table). There are two values:
- separate (default) - in which all table cells have their own independent borders and there may be space between those cells as well.
- collapse - in which both the space and the borders between table cells collapse so there is only one border and no space between cells.
border-collapse: separate; /* Or do nothing, this is default */
border-spacing: 3px; /* Only works if border-collapse is separate */