Come cambiare il colore di un bordo HTML

Le tabelle possono avere colori per i bordi esterni e per le celle. They also can have background colors, patterns, and graphic images as backdrops for the full table or for selected rows and cells.

2. .inset { border:inset 5px red; } 
3. .outset { border:outset 5px red; } 
4. .ridge { border:ridge 5px red; } 
5. .groove { border:groove 5px red; } 
6. .dashed { border:dashed 5px red;} 
7. .dotted { border:dotted 5px red;} 
8. .solid { border:solid 5px red;} 
9. .double {border:double 5px red;} 
10.  
11. .inset td, .outset td, .ridge td, .groove td, .dashed td,  
12. .dotted td, .solid td, .double td {border:inset 1px #000;} 
13.  

You can create your own 3-D shading effects by styling each of the borders separately with border-top, border-right, border-bottom, and border-left colors. The following tables creates their own 3-D effects with solid borders tinted to resemble inset and outset styles. The style sheets used for these two tables are shown in Listing.

2. /* INSET STYLE */ 
3. #TAB1 { border:solid 7px; 
4. border-color:#B22222 #FEB9B9 #FEB9B9 #B22222; } 
5.  
6. /* OUTSET STYLE */ 
7. #TAB2 { border:solid 7px; 
8. border-top-color:#FEB9B9; 
9. border-right-color:#B22222; 
10. border-bottom-color:#B22222; 
11. border-left-color:#FEB9B9; } 
12.  
13. #TAB1 td, #TAB2 td { border:inset 1px #000; } 
14.