<div class="button"><span>Click Me</span></div>
<div class="button"><span>Hover</span></div>
<div class="button"><span>Clicked</span></div>

@import url("https://fonts.googleapis.com/css?family=Montserrat&display=swap");
body {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background: #f3f0f1;
  .button {
    width: 400px;
    height: 100px;
    background: #f3f0f1;
    position: relative;
    background: #f3f0f1;
    margin-bottom: 25px;
    border-radius: 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.1s ease-in-out;
    span {
      line-height: 100px;
      font-family: "Montserrat", sans-serif;
      font-size: 32px;
      font-weight: semibold;
    }
    &:nth-child(1) {
      box-shadow: -6px -6px 10px rgba(255, 255, 255, 0.8),
        6px 6px 10px rgba(0, 0, 0, 0.2);
      color: #6f6cde;
      &:hover {
        opacity: 0.3;
        box-shadow: -6px -6px 10px rgba(255, 255, 255, 0.8),
          6px 6px 10px rgba(0, 0, 0, 0.2);
      }
      &:active {
        opacity: 1;
        box-shadow: inset -4px -4px 8px rgba(255, 255, 255, 0.5),
          inset 8px 8px 16px rgba(0, 0, 0, 0.1);
        color: #79e3b6;
      }
    }
    &:nth-child(2) {
      opacity: 0.3;
      box-shadow: -6px -6px 10px rgba(255, 255, 255, 0.8),
        6px 6px 10px rgba(0, 0, 0, 0.2);
      color: #6f6cde;
    }
    &:nth-child(3) {
      box-shadow: inset -4px -4px 8px rgba(255, 255, 255, 0.5),
        inset 8px 8px 16px rgba(0, 0, 0, 0.1);
      color: #79e3b6;
      &:hover {
        opacity: 1;
        box-shadow: -6px -6px 10px rgba(255, 255, 255, 0.8),
          6px 6px 10px rgba(0, 0, 0, 0.2);
      }
    }
  }
}