Pulsar
Gauge sparkline

Gauge Sparkline

CSS

A sparkline draws itself left to right, its shaded area fades in beneath and a dot pops onto the final point, then the line unwinds and redraws.

Tier
CSS
Dependencies
None
Duration
3 s, loops
Categories
Data and progress
Use cases
Dashboards and reporting, Sync and integration
Industries
Finance and fintech, Marketing and sales
Style
Data mark · regular stroke
Set
gauge
Tags
chartlinestrokeloopprogress
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="gauge-sparkline-title" class="pulsar pulsar-gauge-sparkline" data-pulsar="gauge-sparkline" role="img" viewBox="0 0 96 96"><title id="gauge-sparkline-title">Gauge sparkline</title><line id="gauge-sparkline-baseline" x1="10" x2="86" y1="80" y2="80" stroke="currentColor" stroke-linecap="round" stroke-width="6" opacity=".2"></line><polygon id="gauge-sparkline-area" fill="currentColor" fill-opacity=".12" points="12,66 26,54 38,60 52,38 64,46 76,28 84,34 84,80 12,80"></polygon><polyline id="gauge-sparkline-line" fill="none" stroke="currentColor" stroke-dasharray="104" stroke-linecap="round" stroke-linejoin="round" stroke-width="6" points="12,66 26,54 38,60 52,38 64,46 76,28 84,34"></polyline><circle id="gauge-sparkline-dot" cx="84" cy="34" r="5" fill="currentColor"></circle></svg>

animation.css

.pulsar-gauge-sparkline #gauge-sparkline-baseline {
  stroke: currentColor;
  opacity: 0.2;
}

.pulsar-gauge-sparkline #gauge-sparkline-area {
  fill: var(--pulsar-accent, currentColor);
  fill-opacity: 0.12;
  opacity: 1;
  animation: gauge-sparkline-area 3000ms linear infinite;
}

.pulsar-gauge-sparkline #gauge-sparkline-line {
  stroke: var(--pulsar-accent, currentColor);
  stroke-dasharray: 104;
  stroke-dashoffset: 0;
  animation: gauge-sparkline-line 3000ms linear infinite;
}

.pulsar-gauge-sparkline #gauge-sparkline-dot {
  fill: var(--pulsar-accent, currentColor);
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(1);
  animation: gauge-sparkline-dot 3000ms linear infinite;
}

@keyframes gauge-sparkline-line {
  0% {
    stroke-dashoffset: 0;
  }
  17% {
    stroke-dashoffset: 0;
    animation-timing-function: cubic-bezier(0.4, 0, 1, 1);
  }
  30% {
    stroke-dashoffset: 104;
  }
  35% {
    stroke-dashoffset: 104;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  }
  75% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes gauge-sparkline-area {
  0% {
    opacity: 1;
  }
  15% {
    opacity: 1;
    animation-timing-function: linear;
  }
  22% {
    opacity: 0;
  }
  60% {
    opacity: 0;
    animation-timing-function: linear;
  }
  80% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}

@keyframes gauge-sparkline-dot {
  0% {
    transform: scale(1);
  }
  15% {
    transform: scale(1);
    animation-timing-function: ease-in;
  }
  19% {
    transform: scale(0);
  }
  75% {
    transform: scale(0);
    animation-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  85% {
    transform: scale(1);
  }
  100% {
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-gauge-sparkline #gauge-sparkline-line {
    animation: none;
    stroke-dashoffset: 0;
  }

  .pulsar-gauge-sparkline #gauge-sparkline-area {
    animation: none;
    opacity: 1;
  }

  .pulsar-gauge-sparkline #gauge-sparkline-dot {
    animation: none;
    transform: scale(1);
  }
}