This is the code.
<lightning-button-icon
style="size:50px" icon-name="utility:settings"
variant="bare"
alternative-text="Settings"
icon-class="slds-m-around_medium ">
</lightning-button-icon>
howWant to increase or decrease size oflwc icon? size in in specific pixels. so what i did is added style="size:50px" this is not worked for me.