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HTML

            
              <h1>A header with attitude.</h1>
            
          
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CSS

            
              body {
  padding: 0 0 0 3em;
  background: whitesmoke;
}

h1 {
  font-size: 4em;
  -webkit-text-stroke: 3px darkgrey;
  -webkit-text-fill-color: white;
  -webkit-animation: fill 0.5s infinite alternate;
}

@-webkit-keyframes fill {
  from { -webkit-text-fill-color: steelblue; }
  to { -webkit-text-fill-color: slategrey; }
}
            
          
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JS

            
              
            
          
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