Hello, good component with bad css.
Here is a snippet that I use in my project, it uses valo theme:
/* Fix stepper component css */
.stepper>*:nth-child(1) {
@include valo-textfield-style($v-unit-size--small);
max-width: 75px;
}
.stepper-updown {
top: 25% !important;
}
You can change max-width for your purposes. Here is the result: