css-series/05-Colors, Units & Measurement.html at main · jdcodebase/css-series · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>CSS Colors Demo</title>
    <style>
      .box {
        width: 200px;
        height: 80px;
        margin: 10px;
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .hex {
        background: #ff5733;
      }
      .rgb {
        background: rgb(0, 128, 255);
      }

      .hsl {
        background: hsl(200, 100%, 50%);
      }

      .rgba {
        background: rgba(255, 0, 0, 0.5);
      }

      .px {
        font-size: 20px;
      }
      .em {
        font-size: 2em;
      }

      .rem {
        font-size: 2rem;
      }

      .vw {
        font-size: 5vw;
      }

      .box {
        width: calc(100% - 50px);
      }
    </style>
  </head>
  <body>
    <h1>CSS Colors Demo</h1>

    <div class="box hex">HEX Color</div>
    <div class="box rgb">RGB Color</div>
    <div class="box hsl">HSL Color</div>
    <div class="box rgba">RGBA Color</div>

    <h2>CSS Units Demo</h2>

    <p class="px">This is px text</p>
    <p class="em">This is em text</p>
    <p class="rem">This is rem text</p>
    <p class="vw">This is vw text</p>
  </body>
</html>