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Knockout Caption

A bold uppercase caption that blends into the photo, inverting its color against whatever sits behind it.

Hover the photo to apply the effect — move away to compare.

Adjust

Blend

Text color

Size1.8rem

Tracking1px

Metadata

interaction: Always on
browser: Modern evergreen
reduced motion: static
touch fallback: Identical on touch

/* Knockout Caption — made with Image FX · https://cssimagelab.com/effects/knockout-caption */
.ifx-card {
  position: relative; display: block; overflow: hidden;
  border-radius: var(--ifx-radius, 4px);
  aspect-ratio: var(--ifx-ar, 4 / 3); isolation: isolate;
}
@supports (corner-shape: squircle) { .ifx-card { corner-shape: squircle; } }
.ifx-card__img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--ifx-duration, 500ms) var(--ifx-ease, cubic-bezier(.2,.6,.2,1)),
              filter var(--ifx-duration, 500ms) var(--ifx-ease, ease);
}
.ifx-card__caption {
  position: absolute; z-index: 3; margin: 0; color: var(--ifx-text, #fff);
}
.ifx-card__caption h3 { margin: 0; font-size: 1.05rem; font-weight: 600; line-height: 1.2; }
.ifx-card__caption p { margin: 0.3rem 0 0; font-size: 0.78rem; opacity: 0.82; }

.ifx-card--knockout-caption {
  --ifx-blend: difference;
  --ifx-text: #ffffff;
  --ifx-size: 1.8rem;
  --ifx-track: 1px;
}

.ifx-card--knockout-caption .ifx-card__caption {
  inset: auto 0 8% 0; text-align: center;
  color: var(--ifx-text, #fff); mix-blend-mode: var(--ifx-blend, difference);
}
.ifx-card--knockout-caption .ifx-card__caption h3 {
  font-size: var(--ifx-size, 1.8rem); letter-spacing: var(--ifx-track, 1px); text-transform: uppercase;
}

@media (prefers-reduced-motion: reduce) {
  .ifx-card, .ifx-card *, .ifx-card::before, .ifx-card::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

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Knockout Caption

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About Knockout Caption

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Browser support

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