app/assets/stylesheets/application.sass
@import button
body
margin: 0
font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif
color: #fff
background-color: #86a800
.welcome
display: grid
min-height: 100vh
place-content: center
text-align: center