body { background-color: white; } .sigs { font-family: monospace; font-size: 120%; background-color: rgba(0.0, 0.0, 0.0, 0.2); list-style-type: none; padding-left: 1em; padding-top: calc(1em - 0.5em); padding-bottom: 1em; border-radius: 5px; } .sigs li { margin-top: 0.5em; } .sigs .fn { color: gray; } .sigs .arrow { color: gray; } .sigs .ty { color: red; } .sigs .ret { color: red; }