background-position设置无效问题解决

html代码部分:css

<div class="login_div_reg1">
    <label for="passwd" class="login_div_reg_tab1 pwd-label"></label>
    <input id="passwd" type="password" class="itxt" name="passwd" tabindex="1" autocomplete="off" value="" placeholder="密码(6-16个字符)">
</div>

css代码:html

.login_div_reg_tab1{
    width: 38px;
    height: 36px;
    border-right: 1px solid #bdbdbd;
    background: url(/images/icon/pwd-icons.png) no-repeat;
    float:left;
}
.login_div_reg1 .pwd-label{
    background-position: -48 0;
}

页面访问时,background-position设置无效。url

此时只须要把px加上便可。code

.login_div_reg1 .pwd-label{
    background-position: -48px 0px;
}
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