SAURAVBISWAS FILE NAME IN SERVER : version 2.9 (static/js/23.17cef1c6.chunk.js)
the code goes after that
,localStorage.getItem("loginLoginTitle"))))
,c.a.createElement("div",{className:"mt-20 px-30 button-block"},c.a.createElement("button",{type:"submit",className:"btn-delivery-login-button2",style:{backgroundColor: "#fc8422"},onClick:function(){return window.open("https://YOURDOMINE/public/auth/delivery-registration","_self")}},"Register")),
Now go to CUSTOM CSS and put this
.btn-delivery-login-button2 {
background-color: #c78418 !important;
color: #fafafa;
width: 100%;
height: 4rem;
font-size: 1.2rem;
border-radius: 4px;
font-weight: 700;
text-transform: uppercase;
}