li::before {content: "•"; color: red; display: inline-block; width: 1em; margin-left: -1em}
li::before {content: counter(li); color: red; display: inline-block; width: 1em; margin-left: -1em}
ul.a { list-style-type: circle; } ul.b { list-style-type: square; } ol.c { list-style-type: upper-roman; } ol.d { list-style-type: lower-alpha; }