body {
}

.cart-number-box {
    position: relative;
}

    .cart-number-box input {
        width:35px;
        height: 20px;
        margin-right:2px;
        text-align: center;
    }

    .cart-number-box input,
    .cart-number-box .up,
    .cart-number-box .down {
        border: 1px solid #aaa;
    }

    .cart-number-box .up,
    .cart-number-box .down {
        position: absolute;
        display: block;
        width: 20px;
        height: 20px;
        top: -11px;
        text-align: center;
        line-height: 20px;
        font-style: normal;
        cursor: pointer;
    }
    .cart-number-box .down {
        right: 60px;
    }
    .cart-number-box .up {
        right: 0px;
    }

.disabled {
    cursor: not-allowed;
    filter: alpha(opacity=65);
    -webkit-box-shadow: none;
    box-shadow: none;
    opacity: .65;
}