.nice-number {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-pack: stretch;
    -ms-flex-pack: stretch;
    justify-content: stretch;
    margin-top: 45px;
}

.nice-number input {
    vertical-align: middle;
    -moz-appearance: textfield;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    margin: 0;
    text-align: center;
}

.nice-number input::-webkit-inner-spin-button,
.nice-number input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.nice-number button {
    border: 0;
    background: transparent;
    font-size: 30px;
    padding: 0 5px;
    
    
}
.nice-number button:focus,
.nice-number button:hover{
    border: 0;
    outline: 0;
}

.nice-number input {
    background: #f1f1f1;
    border: 0;
    padding: 15px 30px;
}