you might not like it, but this is what peak UI looks like
div.compose-form__publish-button-wrapper button.button.button--block { background: linear-gradient(180deg, #FE0000 16.66%, #FD8C00 16.66%, 33.32%, #FFE500 33.32%, 49.98%, #119F0B 49.98%, 66.64%, #0644B3 66.64%, 83.3%, #C22EDC 83.3%) !important; text-shadow: 1px 1px #2229 !important;}
probably going to keep this even after june
Gregory's Server
div.compose-form__publish-button-wrapper button.button.button--block {
background: linear-gradient(180deg, #FE0000 16.66%, #FD8C00 16.66%, 33.32%, #FFE500 33.32%, 49.98%, #119F0B 49.98%, 66.64%, #0644B3 66.64%, 83.3%, #C22EDC 83.3%) !important;
text-shadow: 1px 1px #2229 !important;
}