  /*@import url("https://fonts.googleapis.com/css2?family=Roboto&display=swap");
  @import url("https://fonts.googleapis.com/icon?family=Material+Icons+Outlined");

  :root {
    --accent-color: #1fa8f5;
    --accent-color-fg: #fefefe;
    --backdrop-color: #89d4fe;
    --app-content-background-color: #c0d8ec;
    --inset-shadow: rgba(7, 43, 74, 0.3);
    --outset-shadow: rgba(223, 240, 255, 0.25);
    --clay-box-shadow: rgba(7, 43, 74, 0.3);
    --clay-background-color: #c0d8ec;
    --clay-fg-color: #444;
  }*/

  /*body {
    background-color: var(--backdrop-color);
    font-size: 10px;
    font-family: "Roboto", sans-serif;
  }*/

  .flex-center {
    display: flex;
    justify-content: space-around;
    align-items: center;
  }

  .container {
    padding: 1rem 1rem 1.5rem;
  }

  .stage {
    max-width: 400px;
    width: 400px;
    margin: 0 auto;
  }

  .btn1.active {
    color: var(--accent-color);
  }
  .btn1-style {
    --app-content-background-color: #c0d8ec;
  }

  .btn2.active {
    --outset-shadow: rgba(247, 167, 103, 0.45);
    --inset-shadow: rgba(149, 62, 8, 0.45);
    --clay-box-shadow: rgba(211, 69, 20, 0.4);
    --clay-background-color: #d34514;
    --clay-fg-color: #f1f2f3;
    color: #690c0c;
  }
  
  .btn2-style {
    --app-content-background-color: #d36e5a;
  }

  .btn3.active {
    --outset-shadow: rgba(255, 159, 40, 0.45);
    --inset-shadow: rgba(88, 54, 13, 0.45);
    --clay-box-shadow: rgba(88, 54, 13, 0.4);
    --clay-background-color: #ed9426;
    --clay-fg-color: #f1f2f3;
    color: #cf5c0f;
  }
  .btn3-style {
    --app-content-background-color: #ed9426;
  }

  .btn4.active {
    --outset-shadow: rgba(93, 255, 85, 0.45);
    --inset-shadow: rgba(28, 78, 26, 0.45);
    --clay-box-shadow: rgba(28, 78, 26, 0.4);
    --clay-background-color: #4dd146;
    --clay-fg-color: #f1f2f3;
    color: #4dd146;
  }
  .btn4-style {
    --app-content-background-color: #4dd146;
  }

  .help.active {
    --outset-shadow: rgba(230, 230, 230, 0.45);
    --inset-shadow: rgba(81, 81, 81, 0.45);
    --clay-box-shadow: rgba(81, 81, 81, 0.4);
    --clay-background-color: #a3a3a3;
    --clay-fg-color: #f1f2f3;
    color: #783896;
  }
  .help-style {
    --app-content-background-color: #a3a3a3;
  }

  .tabbar {
    background-color: var(--app-content-background-color);
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    height: 120px;
    display: flex;
    flex-direction: column;
    box-sizing: content-box;
    position: relative;
    overflow: hidden;
    transition: background-color 0.4s;
  }
  .tabbar ul, .tabbar li {
    list-style-type: none;
    margin: 0;
    padding: 0;
  }
  .tabbar ul {
    position: absolute;
    bottom: 0;
    width: 100%;
    background-color: #f9f8fa;
    align-self: flex-end;
    justify-content: center;
    height: 50px;
  }
  .tabbar li {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    margin-right: 5px;
    transition: all 0.4s;
    background-color: #f9f8fa;
    width: 60px;
    height: 60px;
    position: relative;
    color: #888;
    cursor: pointer;
  }
  .tabbar li:last-child {
    margin-right: 0;
  }

  .tab-style1 ul {
    justify-content: center;
  }
  .tab-style1 li {
    display: flex;
    justify-content: center;
    align-items: center;
    top: 1px;
    left: 0;
    width: 60px;
    height: 50px;
    transition: top 0.2s ease-out, width 0.4s, border-radius 0.4s, box-shadow 0.4s;
  }
  .tab-style1 li.follow {
    position: absolute;
    border-radius: 100%;
    content: " ";
    width: 60px;
    height: 60px;
    border: 10px solid var(--app-content-background-color);
    background-color: var(--app-content-background-color);
    top: -3rem;
    transition: left 0.4s ease-in, background-color 0.4s, border-color 0.4s;
  }
  .tab-style1 li.follow:before, .tab-style1 li.follow:after {
    content: " ";
    position: absolute;
    top: 27px;
    right: -27px;
    border-top: 11px solid var(--app-content-background-color);
    background-color: #f9f8fa;
    width: 20px;
    height: 20px;
    box-sizing: border-box;
    transition: border-color 0.4s;
  }
  .tab-style1 li.follow::after {
    border-top-left-radius: 100%;
  }
  .tab-style1 li.follow:before {
    left: -27px;
    right: unset;
    border-top-right-radius: 100%;
  }
  .tab-style1 li:nth-child(1).active ~ .follow {
    left: 12px;
  }
  .tab-style1 li:nth-child(2).active ~ .follow {
    left: 75px;
  }
  .tab-style1 li:nth-child(3).active ~ .follow {
    left: 140px;
  }
  .tab-style1 li:nth-child(4).active ~ .follow {
    left: 205px;
  }
  .tab-style1 li:nth-child(5).active ~ .follow {
    left: 270px;
  }
  .tab-style1 .active {
    z-index: 100;
    width: 60px;
    height: 60px;
    top: -2rem;
    border-radius: 100%;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 8px 16px 0 rgba(0, 0, 0, 0.2);
  }

  .tab-style2 ul {
    justify-content: center;
  }
  .tab-style2 li {
    border-top-left-radius: 100%;
    border-top-right-radius: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    top: 1px;
    left: 0;
    width: 60px;
    height: 50px;
  }
  .tab-style2 .active {
    width: 60px;
    height: 60px;
    top: -1rem;
  }
  .tab-style2 .active span {
    font-size: 2rem;
  }
  .tab-style2 .active:before, .tab-style2 .active:after {
    position: absolute;
    content: " ";
    width: 13px;
    height: 13px;
    border-bottom: 4px solid #f9f8fa;
    top: 8px;
  }
  .tab-style2 .active:before {
    border-bottom-right-radius: 100%;
    left: -7px;
  }
  .tab-style2 .active:after {
    border-bottom-left-radius: 100%;
    right: -7px;
  }

  .tab-style3 li {
    top: -8px;
    width: 60px;
    height: 35px;
    background-color: transparent;
    padding-top: 3px;
  }
  .tab-style3 li.follow {
    position: absolute;
    top: 0;
    display: flex;
    border-top: 3px solid #333;
    width: 60px;
    height: 1px;
    transition: all 0.3s ease-out;
  }
  .tab-style3 li:nth-child(1).active ~ .follow {
    left: 20px;
    z-index: 20;
  }
  .tab-style3 li:nth-child(2).active ~ .follow {
    left: 88px;
    z-index: 20;
  }
  .tab-style3 li:nth-child(3).active ~ .follow {
    left: 149px;
    z-index: 20;
  }
  .tab-style3 li:nth-child(4).active ~ .follow {
    left: 216px;
    z-index: 20;
  }
  .tab-style3 li:nth-child(5).active ~ .follow {
    left: 283px;
    z-index: 20;
  }

  .tab-style4 li {
    width: 60px;
    height: 40px;
    flex-direction: column;
    overflow: hidden;
  }
  .tab-style4 li span {
    position: relative;
    top: 3px;
    transition: top 0.4s ease-out, font-size 0.2s ease-out;
    text-shadow: inset 2px 2px 4px var(--clay-box-shadow);
  }
  .tab-style4 li:after {
    width: 100%;
    height: 10px;
    text-transform: uppercase;
    text-align: center;
    font-size: 8px;
    font-weight: bold;
    position: relative;
    bottom: -30px;
    opacity: 0;
    transition: bottom 0.2s ease-out, opacity 0.4s ease-out;
  }
  .tab-style4 li.active:after {
    opacity: 1;
    bottom: 2px;
    text-shadow: inset 2px 2px 8px var(--clay-box-shadow);
  }
  .tab-style4 li:nth-child(1):after {
    content: "btn1";
  }
  .tab-style4 li:nth-child(2):after {
    content: "btn2";
  }
  .tab-style4 li:nth-child(3):after {
    content: "btn3";
  }
  .tab-style4 li:nth-child(4):after {
    content: "company";
  }
  .tab-style4 li:nth-child(5):after {
    content: "help";
  }
  .tab-style4 .active span {
    font-size: 1.1rem;
    top: -4px;
  }

  .tab-style5 ul {
    justify-content: center;
  }
  .tab-style5 li {
    display: flex;
    justify-content: center;
    align-items: center;
    top: 1px;
    left: 0;
    width: 60px;
    height: 50px;
    transition: top 0.4s ease-out, border-radius 0.4s ease-out, box-shadow 0.4s ease-out;
  }
  .tab-style5 .active {
    width: 60px;
    height: 60px;
    border-radius: 100%;
    top: -1rem;
    background-color: var(--clay-background-color);
    box-shadow: 1px 2px 4px 0 var(--clay-box-shadow), 2px 4px 8px 0 var(--clay-box-shadow), inset 2px 2px 8px var(--outset-shadow), inset -2px -2px 8px var(--inset-shadow);
    color: var(--clay-fg-color);
  }
  .tab-style5 .active span {
    font-size: 2rem;
  }