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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.

            
              <div class="wrapper">
  <p>
    This demonstrates how a border gradient
    can be applied to a single element using
    multiple backgrounds and specifying the
    background origin of each of those
    backgrounds.
  </p>
</div>

<div class="wrapper wrapper--rounded">
  <p>
    It gets a little weird when you want to 
    round the corners off. A pseudo element
    can be used to establish a clean rounded
    corner on the inside.
  </p>
  <p>
    You will need to tweak the dimmensions
    of the position, border, and radius to
    get things just right.
  </p>
</div>
            
          
!
            
              .wrapper {
  box-sizing: border-box;
  margin: 1rem auto 2rem;
  padding: 1rem;
  width: 80%;
  max-width: 25rem;
  background: linear-gradient(#222, #222), 
              linear-gradient(to right, red, purple);
  border: 5px solid transparent;
  background-repeat: no-repeat;
  background-origin: padding-box, border-box;
}

.wrapper--rounded {
  border-radius: 1rem;
  border-width: 10px;
  position: relative;
}

.wrapper--rounded::before {
  content: "";
  position: absolute;
  top: -5px;
  bottom: -5px;
  left: -5px;
  right: -5px;
  border: 6px solid #222;
  border-radius: .8rem;
}

body {
  background: #222;  
}

p {
  font-family: sans-serif;
  color: whitesmoke;
  line-height: 1.4;
}
            
          
!
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