我有以下的工作在Firefox,Chrome和Safari。但不是在IE9中。它将圆角应用到td的左上角和右侧。我错过了什么?ie9边界半径
border-left: solid 1px #444f82;
border-right:solid 1px #444f82;
border-top:solid 1px #444f82;
border-top-right-radius: 7px;
border-top-left-radius: 7px;
-moz-border-radius-topright: 7px;
-webkit-border-top-right-radius: 7px;
-khtml-border-radius-topright: 7px;
-moz-border-radius-topleft: 7px;
-webkit-border-top-left-radius: 7px;
-khtml-border-radius-topleft: 7px;
behavior: url(/survey_templates/PIE.htc);
doctype声明? – zzzzBov 2011-03-21 17:43:22