select標籤

select{
    appearance:none;
    -moz-appearance:none;
    -webkit-appearance:none;
    -o-appearance:none;
    -ms-appearance:none;
    border: 0;
} 
select::-ms-expand { 
    display: none; 
}

input標籤

input[type=number] {  
    -moz-appearance:textfield;  
}  
input[type=number]::-webkit-inner-spin-button
 
,  
input[type=number]::-webkit-outer-spin-button {  
    -webkit-appearance: none;  
    margin: 0;  
}