body {
  background-image: url('media/pictures/notes.jpg');
  width: 100;
  height: 100;
  background-color: #cccccc;
}

.center {
  margin: 0 auto;
  text-align: center;
}

.card {
  background-color: #add8e5;
  width: 200px;
  padding: 20px;
  color: #1b3e59;
  border-radius: 15px;
  box-shadow: 8px 8px 16px 2px #1b3e59
  }

  .container {
    display: flex;
    flex-wrap: nowrap;    
    padding-block: 10px;    
  }

  .containerAlignItems {
    /* align-items: center; */
    margin: 0 auto;
  }

  .container > div {
    margin: 10px;
  }

  /*
  From: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button
  */

  .styled {
    border: 0;
    line-height: 1.4;
    padding: 0 20px;
    font-size: 1rem;
    text-align: center;
    color: #fff;
    text-shadow: 1px 1px 1px #000;
    border-radius: 10px;
    background-color: rgb(124, 127, 206);
    background-image: linear-gradient(to top left, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2) 30%, rgba(0, 0, 0, 0));
    box-shadow: inset 2px 2px 3px rgba(255, 255, 255, 0.6), inset -2px -2px 3px rgba(0, 0, 0, 0.6);
}

.styled:hover {
    background-color: rgba(255, 0, 0, 1);
}

.styled:active {
    box-shadow: inset -2px -2px 3px rgba(255, 255, 255, 0.6), inset 2px 2px 3px rgba(0, 0, 0, 0.6);
}