.input-quantity #input-quantity{
    padding: 0px;
    text-align: center;
}
.input-quantity .btn {
 	background-color: transparent;
    color: #000;
    padding: 8px!important;
    font-weight: bold;
    font-size: 18px;
}

.input-quantity .btn:focus,
.input-quantity .btn:active,
.input-quantity .btn:active:focus
.input-quantity input:focus{
     outline:none!important;
     box-shadow:none;
}