右对齐
select{ width:auto; direction: rtl; } select option { direction: ltr; }
去掉箭头(不设置背景色会有灰色背景)
select{ appearance:none; -moz-appearance:none; -webkit-appearance:none; background-color: #fff; /*设置箭头*/ background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAJCAYAAAAGuM1UAAAAH0lEQVR42mNgoDnQ13f7TwiTpIkkm0hyHkl+YhhQAABcfyjsqSyTLgAAAABJRU5ErkJggg==") no-repeat scroll right center transparent; padding-right: 14px; }
清除ie的默认选择框样式,隐藏下拉箭头
select::-ms-expand { display: none; }