.progress {
  animation: progress both linear;
  animation-timeline: scroll(root);
  transform-origin: 0 50%;
  }
  @keyframes progress {
    0% {
      scale: 0 1;
  }
  100% {
  scale: 1 1; }
}

Propiedad animation-timeline

table.colortable {
    & td {
        text-align: center;
        .c {
            text-transform: uppercase;
        }
        &:first-child,
        &:first-child + td {
            border: 1px solid black;
        }
	}
  & th {
          text-align: center;
          background: black;
          color: white;
  } 
}

Anidamiento nativo Nesting

table.colortable {
    :is(td) {
        text-align: center;
        .c {
            text-transform: uppercase;
        }
        &:first-child,
        &:first-child + td {
            border: 1px solid black;
        }
  } :is(th) {
          text-align: center;
          background: black;
          color: white;
  } 
}

Anidamiento nativo Nesting :is

.card:has(img) {
	color: var(--purple);
}
.card__feature {
	padding: var(--border-radius);
}

.card:has(.card__feature) {
	box-shadow: var(--shadow-high);
}
.card:not(:has(p)) :not(:has(small)) {
	aspect-ratio: 3 / 4;
}

Pseudoclase :is

.video {
  width: 100%
  aspect-ratio: 16 / 9;
}

Propiedad aspect-ratio

.video {
  width: 100%;
  padding-top: 56.25%;
}
.img {
  aspect-ratio: 1;
  width: 300px;
  object-view-box: inset(25% 20% 15% 5%);
  object-fit: cover;
}

Propiedad object-viewbox

 /* 
La propiedad overflow: hidden;, 
posicionando y escalando el contenido 
en su interior.
 */
.grid-wrapper {
	display: grid;
	grid-gap: 10px;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	grid-auto-rows: 200px;
	grid-auto-flow: dense;
}

Caso de uso masonry

img {
	max-width: 100%;
	height: auto;
	vertical-align: middle;
	display: inline-block;
	mix-blend-mode: color-dodge;
}
@font-face {
  font-family: "JobClarendon";
  src: url("job-clarendon.woff2") format("woff2 supports variations"),
       url("job-clarendon.woff2") format("woff2-variations");
  font-weight: 100 1000;
}

Formato variable fonts

:root {
  --font-fallback: "Helvetica Neue", sans-sans;
}

h1, h2 {
  font-family: "JobClarendon", var(--font-fallback);
}

Back to the future CSS edition

By Carmen Ansio

Back to the future CSS edition

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