CSS Hack大全-教你如何区分出IE6-IE10、FireFox、Chro

<div class="content">
    <div class="test"></div>
    <div class="txt">
        <p>IE6下背景颜色<span class="ie6" style="background-color: #c;">#c</span></p>
        <p>IE7下背景颜色<span class="ie7" style="background-color: #666;">#666</span></p>
        <p>IE8下背景颜色<span class="ie8" style="background-color: #06f;">#06f</span></p>
        <p>IE9下背景颜色<span class="ie9" style="background-color: #f00;">#f00</span></p>
        <p>IE10下背景颜色<span class="ie10" style="background-color: #0ff;">#0ff</span></p>
        <p>webkit,Safari,Chrome下背景颜色<span class="webkit-safari-gg" style="background-color: #ff0;">#ff0</span></p>
        <p>FireFox下背景颜色<span class="firefox" style="background-color: #f0f;">#f0f</span></p>
        <p>Opera下背景颜色<span class="opera" style="background-color: #0f0;">#0f0</span></p>
    </div>
</div>

.content .test {
    width: 200px;
    height: 200px;
    background: #f60; /all/
    background: #06f9; /IE/
    background: #666; /IE6,7/
    _background: #c; /IE6/
}

/ webkit and opera /
@media all and (min-width:0){
    .content .test {
        background: #0f0;
    }
}

/ webkit /
@media screen and (-webkit-min-device-pixel-ratio:0) {
    .content .test {
        background: #ff0;
    }
}

/FireFox/
@-moz-document url-prefix() {
    .content .test {
        background: #f0f;
    }
}

/IE9+/
@media all and (min-width:0) {
    .content .test{
        background: #f009;
        }
}

/IE10+/
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    .content .test {
        background: #0ff;
    }
}