CSS Tip

Responsive multi-line Ribbon Shape II

After the previous one, here is another concept of Responsive Ribbon Shape using the same code structure.

CSS only ribbon shapes with multi-line text

.ribbon {
  --r: .5em;  /* control the cutout of the ribbon */
  --a: 20deg; /* control the angle of the folded part */
  --w: 5em;   /* control the width of the folded part  */
  --c: #d81a14;
  
  padding-inline: calc(1lh*tan(var(--a)/2) + .3em);
  margin-block: calc(var(--w)*sin(var(--a)));
  background-image: 
    linear-gradient(var(--c) 70%,#0000 0), 
    linear-gradient(to bottom left,#0000 50%, color-mix(in srgb,var(--c),#000 40%) 51% 84%,#0000 85%);
  background-position: 0 .15lh;
  background-size: 100% 1lh;
  position: relative;
  clip-path: polygon(
    0 .15lh,
    calc(100% - .7lh/sin(var(--a))) .15lh,
    calc(100% - .7lh/sin(var(--a)) - 999px) calc(.15lh - 999px*tan(var(--a))),
    100% -999px,
    100% .15lh,
    calc(100% - .7lh*tan(var(--a)/2)) .85lh,
    100% 1lh,
    100% calc(100% - .15lh),
    calc(.7lh/sin(var(--a))) calc(100% - .15lh),
    calc(.7lh/sin(var(--a)) + 999px) calc(100% - .15lh + 999px*tan(var(--a))),
    0 999px,
    0 calc(100% - .15lh),
    calc(.7lh*tan(var(--a)/2)) calc(100% - .85lh),
    0 calc(100% - 1lh)
   );
}
.ribbon:before,
.ribbon:after {
  content:"";
  position: absolute;
  height: .7lh;
  width: var(--w);
  background: color-mix(in srgb,var(--c),#000 40%);
  rotate: var(--a);
}
.ribbon:before {
  top: .15lh;
  right: 0;
  transform-origin: top right;
  clip-path: polygon(0 0,100% 0,calc(100% - .7lh/tan(var(--a))) 100%,0 100%, var(--r) 50%);
}
.ribbon:after {
  bottom: .15lh;
  left: 0;
  transform-origin: bottom left;
  clip-path: polygon(calc(.7lh/tan(var(--a))) 0,100% 0,calc(100% - var(--r)) 50%,100% 100%,0 100%);
}

See the Pen CSS-only Multi-line Responsive Ribbon by Temani Afif (@t_afif) on CodePen.

An interactive version to see how the shape fit its content. Edit the text and see the magic

See the Pen CSS-only Multi-line Responsive Ribbon (interactive) by Temani Afif (@t_afif) on CodePen.

More Ribbon Shapes: css-generators.com/ribbon-shapes

More Detail: www.smashingmagazine.com/2023/11/css-responsive-multi-line-ribbon-shapes-part2

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