pxt-calliope/sim/public/sim.css

svg.sim {
    margin-bottom:1em;
}
.sim-button {
    pointer-events: none;    
}

.sim-button-outer:hover {
    stroke:grey;
    stroke-width: 3px;
}

.sim-pin-touch:hover {
    stroke:#D4AF37;
    stroke-width:2px;
}

.sim-pin-touch.touched:hover {
    stroke:darkorange;
}

.sim-led-back:hover {
    stroke:#a0a0a0;
    stroke-width:3px;
}
.sim-led:hover {
    stroke:#ff7f7f;
    stroke-width:3px;
}

.sim-systemled {
    fill:#333;
    stroke:#555;
    stroke-width: 1px;
}

.sim-light-level-button {
    stroke:#fff;
    stroke-width: 3px;
}

.sim-antenna {
    stroke:#555;
    stroke-width: 2px;
}

.sim-text {
  font-family:monospace;
  font-size:25px;
  fill:#fff;
  pointer-events: none;
}

.sim-text-pin {
  font-family:monospace;
  font-size:20px;
  fill:#fff;
  pointer-events: none;
}

/* animations */
.sim-flash {
    animation-name: sim-flash-animation;
    animation-duration: 0.1s;
}

@keyframes sim-flash-animation {  
    from { fill: yellow; }
    to   { fill: default; }
}

.sim-flash-stroke {
    animation-name: sim-flash-stroke-animation;
    animation-duration: 0.4s;
    animation-timing-function: ease-in;
}

@keyframes sim-flash-stroke-animation {  
    from { stroke: yellow; }
    to   { stroke: default; }
}