/*// 修改input的默认样式*/
        input:-webkit-autofill,
        textarea:-webkit-autofill,
        select:-webkit-autofill {
            -webkit-text-fill-color: #000 !important;
            -webkit-box-shadow: 0 0 0px 1000px transparent  inset !important;
                background-color:transparent;
                /*background-image: none;*/
                transition: background-color 50000s ease-in-out 0s; /*背景色透明  生效时长  过渡效果  启用时延迟的时间*/
        }
        input {
             background-color:transparent;
        }

 #login-form    .bgimg{
            position: absolute;
            left: 4px;
            top: 11px;
            background: url(/storg/login123.png) 4px no-repeat;
            background-size: 20px;
            background-position: 4px -38px;
            display: inline-block;
            width: 25px;
            height: 25px;
            z-index: 9999;
        }
<input  type="text"  name="username" autocomplete="off"   />
<span class="bgimg"></span>
<input  type="password"  name="pwd" autocomplete="off"   />
<span class="bgimgs"></span>

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