Pulsar
A blueprint callout: a marker dot pulses, a leader line elbows out and a label plate wipes open

Blueprint Callout

CSS

A marker dot pulses once, a leader line elbows away from it and a label plate wipes open at the far end.

Tier
CSS
Dependencies
None
Duration
1.2 s, plays once
Categories
Icons and micro-interactions, Transitions and reveals
Use cases
Onboarding and setup, Notifications
Industries
SaaS and software, Professional services
Style
Technical · hairline stroke
Set
blueprint
Tags
one-shotpulselineuistroke
Themeable
Yes. Inherits currentColor and reads --pulsar-accent.
Version
1.0.0, added 2026-09-09
Licence
To be confirmed. See the repository LICENSE.

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" aria-labelledby="blueprint-callout-title" class="pulsar pulsar-blueprint-callout" data-pulsar="blueprint-callout" role="img" viewBox="0 0 160 96"><title id="blueprint-callout-title">A blueprint callout: a marker dot pulses, a leader line elbows out and a label plate wipes open</title><g fill="none" stroke="currentColor" stroke-linecap="square" stroke-width="1.5"><circle id="blueprint-callout-pulse" cx="40" cy="68" r="2.5"></circle><path id="blueprint-callout-leader" d="m40 68 32-28h48"></path><rect id="blueprint-callout-plate" width="64" height="16" x="72" y="32"></rect></g><g fill="none" stroke="currentColor" stroke-linecap="square" stroke-width=".75"><path id="blueprint-callout-rule-1" d="M78 38h40"></path><path id="blueprint-callout-rule-2" d="M78 44h24"></path></g><circle id="blueprint-callout-dot" cx="40" cy="68" r="2.5" fill="currentColor"></circle></svg>

animation.css

.pulsar-blueprint-callout #blueprint-callout-dot,
.pulsar-blueprint-callout #blueprint-callout-pulse,
.pulsar-blueprint-callout #blueprint-callout-leader,
.pulsar-blueprint-callout #blueprint-callout-plate,
.pulsar-blueprint-callout #blueprint-callout-rule-1,
.pulsar-blueprint-callout #blueprint-callout-rule-2 {
  transform-box: fill-box;
  animation-duration: 1200ms;
  animation-delay: 0ms;
  animation-iteration-count: 1;
  animation-fill-mode: both;
}

.pulsar-blueprint-callout #blueprint-callout-dot {
  fill: currentColor;
  transform-origin: 50% 50%;
  animation-name: blueprint-callout-dot;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

.pulsar-blueprint-callout #blueprint-callout-pulse {
  stroke: var(--pulsar-accent, currentColor);
  transform-origin: 50% 50%;
  animation-name: blueprint-callout-pulse;
  animation-timing-function: cubic-bezier(0.2, 0.6, 0.3, 1);
}

.pulsar-blueprint-callout #blueprint-callout-leader {
  stroke: var(--pulsar-accent, currentColor);
  stroke-dasharray: 90.53;
  animation-name: blueprint-callout-leader;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.pulsar-blueprint-callout #blueprint-callout-plate {
  stroke: currentColor;
  transform-origin: 0% 50%;
  animation-name: blueprint-callout-plate;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

.pulsar-blueprint-callout #blueprint-callout-rule-1,
.pulsar-blueprint-callout #blueprint-callout-rule-2 {
  stroke: currentColor;
  transform-origin: 0% 50%;
  animation-timing-function: cubic-bezier(0.33, 0, 0.2, 1);
}

.pulsar-blueprint-callout #blueprint-callout-rule-1 {
  animation-name: blueprint-callout-rule-1;
}

.pulsar-blueprint-callout #blueprint-callout-rule-2 {
  animation-name: blueprint-callout-rule-2;
}

@keyframes blueprint-callout-dot {
  0% {
    transform: scale(0);
  }

  12%,
  100% {
    transform: scale(1);
  }
}

@keyframes blueprint-callout-pulse {
  0% {
    opacity: 0;
    transform: scale(0.6);
  }

  8% {
    opacity: 0.5;
    transform: scale(0.6);
  }

  33%,
  100% {
    opacity: 0;
    transform: scale(3);
  }
}

@keyframes blueprint-callout-leader {
  0%,
  12% {
    stroke-dashoffset: 90.53;
  }

  50%,
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes blueprint-callout-plate {
  0%,
  50% {
    transform: scaleX(0);
  }

  75%,
  100% {
    transform: scaleX(1);
  }
}

@keyframes blueprint-callout-rule-1 {
  0%,
  70% {
    transform: scaleX(0);
  }

  90%,
  100% {
    transform: scaleX(1);
  }
}

@keyframes blueprint-callout-rule-2 {
  0%,
  78% {
    transform: scaleX(0);
  }

  100% {
    transform: scaleX(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-blueprint-callout #blueprint-callout-dot,
  .pulsar-blueprint-callout #blueprint-callout-pulse,
  .pulsar-blueprint-callout #blueprint-callout-leader,
  .pulsar-blueprint-callout #blueprint-callout-plate,
  .pulsar-blueprint-callout #blueprint-callout-rule-1,
  .pulsar-blueprint-callout #blueprint-callout-rule-2 {
    animation: none;
    transform: none;
    stroke-dashoffset: 0;
  }

  .pulsar-blueprint-callout #blueprint-callout-pulse {
    opacity: 0;
  }
}