.input-number-container {
    display: inline-block;
    position: relative;
    width:100%;
}

.input-number-arrow {
    position: absolute;
    cursor: pointer;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid black;
    top: 7px;
    right: 3px;
}

.input-number-arrow.arrow-down {
    top: auto;
    bottom: 7px;
    border-bottom: 0;
    border-top: 5px solid black;
}

.input-number::-ms-clear {
    display: none!important;
    visibility: hidden!important;
    width: 0!important;
    height: 0!important;
}