Arcade red
Arcade red: a CSS button. Copy the rules, or the prompt that rebuilds it.
CSS
.btn-053 {
width: 72px;
height: 72px;
font: 900 16px/1 system-ui,sans-serif;
color: #fff;
background: radial-gradient(circle at 35% 30%,#f87171,#dc2626 60%);
border: 0;
border-radius: 50%;
cursor: pointer;
box-shadow: 0 8px 0 #7f1d1d,0 10px 16px rgba(0,0,0,.35),inset 0 2px 4px rgba(255,255,255,.4);
transition: transform .08s,box-shadow .08s
}
.btn-053:hover {
filter: brightness(1.05)
}
.btn-053:focus-visible {
outline: 3px solid #7f1d1d;
outline-offset: 4px
}
.btn-053:active {
transform: translateY(8px);
box-shadow: 0 0 0 #7f1d1d,0 2px 4px rgba(0,0,0,.35),inset 0 2px 4px rgba(255,255,255,.2)
}
HTML
<button class="btn-053" aria-label="Fire">GO</button>Prompt
A 72px round arcade button: red radial gradient with a #f87171 highlight at 35% 30% fading to #dc2626, an inner top gloss, white 16px black-weight "GO", and an 8px solid dark red #7f1d1d base edge plus a deep shadow. Press moves it 8px down and removes the base. Focus outline 3px dark red.