Button Hover Effec t

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <div class="container">
        <button type="button">my button</button>
    </div>
</body>

</html>

.container {
    max-width: 500px;
    width: 100%;
    max-height: 500px;
    height: 100%;

    display: flex;
    justify-content: center;
    align-content: center;
}

button {
    max-width: 161px;
    width: 100%;
    height: 54px;
    border-radius: 10px;
    font-size: 17px;
    line-height: 20px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0;
    outline: 0;
    padding: 8px;
    background-color: transparent;
    transition: all 0.12s linear;
    transform: scale(1);
    font-weight: 400;
    position: relative;



    &::after {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      border-radius: 10px;
      transition: all 0.12s linear;
      transform: scaleX(1);
      background-color: green;
    }

    &:hover {
      color: red;

      &::after {
        background-color: blue;
        transform: scale(1.14);
      }

    }
  }