51-Button with clip-path/day-51.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>day 51</title>
    <style>
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      body {
        height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: sans-serif;
        background: #888;
      }
      button {
        font-size: 26px;
        padding: 20px 40px;
        text-transform: uppercase;
        font-weight: 600;
        letter-spacing: 3px;
        border: none;
        background: transparent;
        position: relative;
        cursor: pointer;
        white-space: nowrap;
        width: 200px;
        height: 80px;
      }

      span {
        position: absolute;
        line-height: 80px;
        top: 0;
        left: 0;
        height: 100%;
        width: 100%;
        border-radius: 3px;
      }

      .orange {
        background: orange;
      }

      .orange:hover ~ .white {
        clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%);
      }

      .white {
        background: white;
        transition: all 0.5s;
        clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
      }

      .white:hover {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
      }
    </style>
  </head>
  <body>
    <button>
      <span class="orange">hover me</span>
      <span class="white">hover me</span>
    </button>
  </body>
</html>