<div id="wrap">

  <div class="heading" data-class="0">
    <div class="heading__text">
      <span class="heading-text heading-text--0">Heading text goes here</span>
      <span class="heading-text heading-text--1">Heading text #1 goes here</span>
      <span class="heading-text heading-text--2">Heading text #2 goes here</span>
      <span class="heading-text heading-text--3">Heading text #3 goes here</span>
      <span class="heading-text heading-text--4">Heading text #4 goes here</span>
      <span class="heading-text heading-text--5">Heading text #5 goes here</span>
    </div>
    <div class="heading__icon">
      <div class="heading-image heading-image--glass">
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          <style type="text/css">
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              stroke-linecap: round;
              stroke-linejoin: round;
              stroke-miterlimit: 10;
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            .st2 {
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            .st3 {
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              fill: #C3CACF;
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              opacity: 0.9;
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            .st6 {
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      </div>
    </div>
  </div>

</div>
html,
body {
  padding: 0;
  margin: 0;
  background-color: #fff;
  font-family: monospace;
  font-size: 18px;
  color: #333;
}

#wrap {
  width: 100%;
  max-width: 980px;
  margin: auto;
  padding: 40px 0;
}

.heading {
  display: flex;
  align-items: center;

  &__text {
    flex: 1 1 100%;
    margin-right: 20px;
    line-height: 1.2;
    font-size: 24px;
  }

  &__icon {
    width: 60px;
    position: relative;
  }

  &-text {
    display: none;

    &--0 {
      display: block;
    }
  }

  &-image {
    width: 100%;

    &--glass {
      position: relative;
      z-index: 1;

      svg {
        display: block;
        width: 100%;
      }
    }

    &--fill {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;

      svg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;


        path {
          fill: transparent;
          clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0% 100%);
          transition: 1s ease;
          transition-property: fill, clip-path;
        }
      }
    }
  }

  &[data-class='1'] {
    .heading {
      &-text {
        display: none;

        &--1 {
          display: block;
        }
      }

      &-image {
        &--fill {
          svg {
            path {
              fill: #333333;
              clip-path: polygon(0 80%, 100% 80%, 100% 100%, 0% 100%);
            }
          }
        }
      }
    }
  }

  &[data-class='2'] {
    .heading {
      &-text {
        display: none;

        &--2 {
          display: block;
        }
      }

      &-image {
        &--fill {
          svg {
            path {
              fill: #0014ff;
              clip-path: polygon(0 60%, 100% 60%, 100% 100%, 0% 100%);
            }
          }
        }
      }
    }
  }

  &[data-class='3'] {
    .heading {
      &-text {
        display: none;

        &--3 {
          display: block;
        }
      }

      &-image {
        &--fill {
          svg {
            path {
              fill: #00ad07;
              clip-path: polygon(0 40%, 100% 40%, 100% 100%, 0% 100%);
            }
          }
        }
      }
    }
  }

  &[data-class='4'] {
    .heading {
      &-text {
        display: none;

        &--4 {
          display: block;
        }
      }

      &-image {
        &--fill {
          svg {
            path {
              fill: #ff9d00;
              clip-path: polygon(0 20%, 100% 20%, 100% 100%, 0% 100%);
            }
          }
        }
      }
    }
  }

  &[data-class='5'] {
    .heading {
      &-text {
        display: none;

        &--5 {
          display: block;
        }
      }

      &-image {
        &--fill {
          svg {
            path {
              fill: #ff0000;
              clip-path: polygon(0 0%, 100% 0%, 100% 100%, 0% 100%);
            }
          }
        }
      }
    }
  }
}
View Compiled
$(function () {

  var i = 0;

  setInterval(function () {
    i++;

    if (i > 5) {
      i = 0;
    }

    $('.heading').attr('data-class', i);
  }, 2000);

});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js