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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              .breadcrumb
  a.breadcrumb__step.breadcrumb__step--active(href='#') ECMAScript
  a.breadcrumb__step(href='#') HTML5
  a.breadcrumb__step(href='#') Node.js
  a.breadcrumb__step(href='#') Docker

            
          
!
            
              body
  background #FCE4EC
  height 100vh
  display flex
  justify-content center
  align-items center

/* ------------------------- Separate line ------------------------- */

:root
  --breadcrumb-theme-1 #E91E63  // color | background active
  --breadcrumb-theme-2 #FFFFFF  // background | color active
  --breadcrumb-theme-3 #E91E63 - #111  // hover
  --breadcrumb-theme-4 #E91E63 - #222  // arrow

.breadcrumb
  text-align center
  display inline-block
  box-shadow 0 2px 5px rgba(0, 0, 0, 0.25)
  overflow hidden
  border-radius 5px
  counter-reset flag

  &__step
    text-decoration none
    outline none
    display block
    float left
    font-size 12px
    line-height 36px
    padding 0 10px 0 60px
    position relative
    background var(--breadcrumb-theme-2)
    color var(--breadcrumb-theme-1)
    transition background .5s

    &:first-child
      padding-left 46px
      border-radius 5px 0 0 5px

      &::before
        left 14px

    &:last-child
      border-radius 0 5px 5px 0
      padding-right 20px

      &::after
        content none

    // circle
    &::before
      content counter(flag)
      counter-increment flag
      border-radius 100%
      width 20px
      height 20px
      line-height 20px
      margin 8px 0
      position absolute
      top 0
      left 30px
      font-weight bold
      background var(--breadcrumb-theme-2)
      box-shadow 0 0 0 1px var(--breadcrumb-theme-1)

    // arrow
    &::after
      content ''
      position absolute
      top 0
      right -18px
      width 36px
      height 36px
      transform scale(0.707) rotate(45deg)
      z-index 1
      border-radius 0 5px 0 50px
      background var(--breadcrumb-theme-2)
      transition background 0.5s
      box-shadow 2px -2px 0 2px var(--breadcrumb-theme-4)

    &--active
      color var(--breadcrumb-theme-2)
      background var(--breadcrumb-theme-1)

      &::before
        color var(--breadcrumb-theme-1)

      &::after
        background var(--breadcrumb-theme-1)

    &:hover
      color var(--breadcrumb-theme-2)
      background var(--breadcrumb-theme-3)

      &::before
        color var(--breadcrumb-theme-1)

      &::after
        color var(--breadcrumb-theme-1)
        background var(--breadcrumb-theme-3)

            
          
!
            
              const $ = (selector: string): HTMLElement | null =>
  document.querySelector(selector);

const $$ = (selector: string): NodeList<HTMLElement> =>
  document.querySelectorAll(selector);

const breadcrumb: HTMLElement = $('.breadcrumb');
const breadcrumbSteps: NodeList<HTMLElement> = $$('.breadcrumb__step');

[].forEach.call(
  breadcrumbSteps,
  (item: HTMLElement, index: number, array: HTMLElement[]): void => {
    item.onclick = (): void => {
      for (let i = 0, l = array.length; i < l; i++) {
        if (index >= i) {
          array[i].classList.add('breadcrumb__step--active');
        } else {
         array[i].classList.remove('breadcrumb__step--active'); 
        }
      }
    };
  },
);

            
          
!
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