HTML5、Select下拉框右边加图标的实现代码(增进用户体验)

<p id="login-p">                <p class="select-wrapper">                    <select id="selector1">                        <option value="" disabled selected>请选择系统：</option>                        <option value="1">微信-苹果</option>                        <option value="2">微信-安卓</option>                    </select>                    <img src="ossweb-img/arrow.png" alt="" class="arrow" />                </p>                <p class="select-wrapper">                    <select id="selector2">                        <option value="" disabled selected>请选择渠道：</option>                        <option value="1">渠道1</option>                        <option value="2">渠道2</option>                    </select>                    <img src="ossweb-img/arrow.png" alt="" class="arrow" />                </p>                <p class="select-wrapper">                    <select id="selector3">                        <option value="" disabled selected>请选择大区：</option>                        <option value="1">大区1</option>                        <option value="2">大区2</option>                    </select>                    <img src="ossweb-img/arrow.png" alt="" class="arrow" />                </p>                <p class="select-wrapper">                    <select id="selector4">                        <option value="" disabled selected>请选择角色：</option>                        <option value="1">角色1</option>                        <option value="2">角色2</option>                    </select>                    <img src="ossweb-img/arrow.png" alt="" class="arrow" />                </p>                <p id="notice">单个帐号只能领取一次奖励</p>                <img src="ossweb-img/comfire1.png" alt="" id="comfire1"/>            </p>

@function REM($n){        @return $n/$REM*1rem;    } #login-p{        background: url(../ossweb-img/kuang1.png)0 0 no-repeat;        background-size: 100% 100%;        width: REM(564);        height: REM(531);        margin-left: REM(38);        .select-wrapper{            position: relative;            display: flex;            justify-content: center;            align-items: center;            height: REM(50);            margin: REM(10) auto;            padding-top: REM(15);            &>select{                width: REM(458);                height: REM(63);                padding-left: REM(20);                border: 1px solid #23282d;                background: #23282d;                -webkit-appearance: none;                color: #92989f;                font-size: REM(24);                margin-top: REM(75);                border-radius: 0;                z-index:10;            }            .arrow{                position: absolute;                width: REM(41);                height: REM(30);                top: REM(65);                right: REM(80);                pointer-events: none;                z-index:11;            }        }        #notice{                font-size: REM(20);                color: #92989f;                text-align: center;                margin-top: REM(75);        }        #comfire1{                width: REM(220);                height: REM(78);                margin-top: REM(20);                margin-left: REM(174);        }    }