移除HTML5 input在type="number"时的左右小箭头

/*移除HTML5 input在type="number"时的上下小箭头*/

input::-webkit-outer-spin-button,

input::-webkit-inner-spin-button{

    -webkit-appearance: none;

    margin: 0;

}

input[type="number"]{-moz-appearance:textfield;}