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/*上,下边框*/ | |
.tBor:before, | |
.bBor:after{ | |
position:absolute; | |
content: ""; | |
height:1px; | |
background:red; | |
left:0; | |
right:0; | |
} | |
.tBor:before{ | |
top:0; | |
} | |
.bBor:after{ | |
bottom:0; | |
} | |
/*左,右边框*/ | |
.lBor:before, | |
.rBor:after{ | |
position:absolute; | |
content: ""; | |
width:1px; | |
background:red; | |
top:0; | |
bottom:0; | |
} | |
.lBor:before{ | |
left:0; | |
} | |
.rBor:after{ | |
right:0; | |
} | |
.trblBor:after{ | |
position:absolute; | |
content:""; | |
top:0; | |
left:0; | |
-webkit-box-sizing:border-box; | |
-moz-box-sizing:border-box; | |
box-sizing:border-box; | |
width:100%; | |
height:100%; | |
border:1px solid blue; | |
point-events:none; | |
} | |
/* 最后两个是为了检测Mobile ie9, 是因为Mobile IE9检测出的dpi为96dpi,与实际不符合 */ | |
@media (min--moz-device-pixel-ratio: 1.5), (-webkit-min-device-pixel-ratio: 1.5), (min-device-pixel-ratio: 1.5), (min-resolution: 144dpi), (min-resolution: 1.5dppx), (-ms-high-contrast:active), (-ms-high-contrast:none) { | |
/*上,下边框*/ | |
.tBor:before, | |
.bBor:after{ | |
-webkit-transform:scaleY(.5); | |
-ms-transform:scaleY(.5); | |
-o-transform:scaleY(.5); | |
transform:scaleY(.5); | |
} | |
/*左,右边框*/ | |
.lBor:before, | |
.rBor:after{ | |
-webkit-transform:scaleX(.5); | |
-ms-transform:scaleX(.5); | |
-o-transform:scaleX(.5); | |
transform:scaleX(.5); | |
} | |
/*四边边框*/ | |
.trblBor:after{ | |
width:200%; | |
height:200%; | |
-webkit-transform:scale(.5); | |
-ms-transform:scale(.5); | |
-o-transform:scale(.5); | |
transform:scale(.5); | |
} | |
/*上,左边框, 四边边框*/ | |
.tBor:before, | |
.lBor:before, | |
.trblBor:after{ | |
-webkit-transform-origin:0 0; | |
-moz-transform-origin:0 0; | |
-ms-transform-origin:0 0; | |
-o-transform-origin:0 0; | |
transform-origin:0 0; | |
} | |
/*下,右边框*/ | |
.bBor:after, | |
.rBor:after{ | |
-webkit-transform-origin:100% 100%; | |
-moz-transform-origin:100% 100%; | |
-ms-transform-origin:100% 100%; | |
-o-transform-origin:100% 100%; | |
transform-origin:100% 100%; | |
} | |
} | |
/* 解决1.5屏幕下某些边框不显式问题,小数位多写几位 */ | |
@media (-webkit-device-pixel-ratio: 1.5){ | |
/*上,下边框*/ | |
.tBor:before, | |
.bBor:after{ | |
-webkit-transform:scaleY(.66666666); | |
-ms-transform:scaleY(.66666666); | |
-o-transform:scaleY(.66666666); | |
transform:scaleY(.66666666); | |
} | |
/*左,右边框*/ | |
.lBor:before, | |
.rBor:after{ | |
-webkit-transform:scaleX(.6666); | |
-ms-transform:scaleX(.6666); | |
-o-transform:scaleX(.6666); | |
transform:scaleX(.6666); | |
} | |
/*四边框*/ | |
.trblBor:after{ | |
width:150%; | |
height:150%; | |
-webkit-transform:scale(.6666); | |
-ms-transform:scale(.6666); | |
-o-transform:scale(.6666); | |
transform:scale(.6666); | |
} | |
} | |
@media (-webkit-device-pixel-ratio: 3){ | |
/*上,下边框*/ | |
.tBor:before, | |
.bBor:after{ | |
-webkit-transform:scaleY(.3333); | |
-ms-transform:scaleY(.3333); | |
-o-transform:scaleY(.3333); | |
transform:scaleY(.3333); | |
} | |
/*左,右边框*/ | |
.lBor:before, | |
.rBor:after{ | |
-webkit-transform:scaleX(.3333); | |
-ms-transform:scaleX(.3333); | |
-o-transform:scaleX(.3333); | |
transform:scaleX(.3333); | |
} | |
/*四边框*/ | |
.trblBor:after{ | |
width:300%; | |
height:300%; | |
-webkit-transform:scale(.3333); | |
-ms-transform:scale(.3333); | |
-o-transform:scale(.3333); | |
transform:scale(.3333); | |
} | |
} |
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