<span class="pun">.</span><span class="pln">all IE</span><span class="pun">{</span><span class="pln">property</span><span class="pun">:</span><span class="pln">value\9</span><span class="pun">;}</span> <span class="pun">.</span><span class="pln">gte IE </span><span class="lit">8</span><span class="pun">{</span><span class="pln">property</span><span class="pun">:</span><span class="pln">value\0</span><span class="pun">;}</span> <span class="pun">.</span><span class="pln">lte IE </span><span class="lit">7</span><span class="pun">{*</span><span class="pln">property</span><span class="pun">:</span><span class="pln">value</span><span class="pun">;}</span> <span class="pun">.</span><span class="pln">IE </span><span class="lit">8</span><span class="pun">/</span><span class="lit">9</span><span class="pun">{</span><span class="pln">property</span><span class="pun">:</span><span class="pln">value\0</span><span class="pun">;}</span> <span class="pun">.</span><span class="pln">IE </span><span class="lit">9</span><span class="pun">{</span><span class="pln">property</span><span class="pun">:</span><span class="pln">value\9\0</span><span class="pun">;}</span> <span class="pun">.</span><span class="pln">IE </span><span class="lit">7</span><span class="pun">{+</span><span class="pln">property</span><span class="pun">:</span><span class="pln">value</span><span class="pun">;}</span> <span class="pun">.</span><span class="pln">IE </span><span class="lit">6</span><span class="pun">{</span><span class="pln">_property</span><span class="pun">:</span><span class="pln">value</span><span class="pun">;}</span> <span class="pun">.</span><span class="kwd">not</span><span class="pln"> IE</span><span class="pun">{</span><span class="pln">property</span><span class="com">//:value;}</span>
lte:Less than or equal to 的简写,也就是小于或等于的意思。
lt :Less than 的简写,也就是小于的意思。
gte:Greater than or equal to 的简写,也就是大于或等于的意思。
gt :Greater than 的简写,也就是大于的意思。
! ?:不等于的意思,跟 javascript 里的不等于判断符相同