<div class="content">
  
  <div class="marquee">
    <div class="marquee_blur" aria-hidden="true">
      <p class="marquee_text">Lorem ipsum dolor sit amet!</p>
    </div>
    <div class="marquee_clear">
      <p class="marquee_text">Lorem ipsum dolor sit amet!</p>
    </div>
  </div>

  <p class="text">
    I wanted to make a Gooey Marquee type effect, tried a couple of things, and ended up using two layers of text, one with the effect, and a clean one on top so that the text remains readable.
  </p>
</div>

@import url("https://fonts.googleapis.com/css?family=Raleway:400,400i,700");

*, *::before, *::after {
    padding: 0;
    margin: 0 auto;
    box-sizing: border-box;
}

body {
  font-family: Raleway, sans-serif;
  background-color: #000;
  color: #fff;
  font-size: 24px;
}

.content {
  width: 95%;
  max-width: 40ch;
  padding: 3em 1em;
}

.marquee {
  position: relative;
  width: 100%;
  height: 2em;
  font-size: 5em;
  display: grid;
  place-items: center;
  overflow: hidden;

  &_text {
    position: absolute;
    min-width: 100%;
    white-space: nowrap;
    animation: marquee 16s infinite linear;
    
    @keyframes marquee {
      from { translate: 70%; }
      to { translate: -70%; }
    }
  }

  &_blur {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background-color: black;
    background-image:
      linear-gradient(to right, white, 1rem, transparent 50%),
      linear-gradient(to left, white, 1rem, transparent 50%);
    filter: contrast(15);
    
    p {
      filter: blur(0.07em);
    }
  }
  
  &_clear {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
  }
}

.text {
  margin-block: 2em;
}
View Compiled

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://assets.codepen.io/1948355/twitterButton-2.1.0.js