index.css

body {
    margin: 0;
    height: 100vh;
    background: url('https://s26.postimg.cc/ani1ug6eh/803289.jpg') no-repeat;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .wrapper {
    margin-right: 100px;
    margin-bottom: -20px;
    background: url('https://s26.postimg.cc/h8ubazai1/brown_close_up_surface_texture_wood_640x426.jpg');
    border-radius: 8px;
    border: 1px solid rgba(40, 30, 25, 0.4);
    box-shadow: 10px 25px 40px -10px rgba(0,0,0,0.7)
  }
  .scoreboard {
    margin: 18px 5px 14px 18px;
    cursor: default;
    display: flex;
    align-items: center;
  }
  .heading {
    font-family: 'Amatic SC', cursive;
    font-size: 45px;
    color: rgba(0, 0, 0, 0.9);
    margin: 0px 20px 4px 0px;
  }
  ul.players {
    list-style-type: none;
    margin: 0;
    padding: 0;
    flex: 1;
    
  }
  li.player {
    display: flex;
    align-items: center;
  }
  span {
    line-height: 12px;
  }
  
  span.sign {
    width: 22px;
    padding: 5px 4px;
    margin: 0px 3px;
    font-family: 'Bonbon', cursive;
    font-size: 20px;
    text-align: center;
    background: rgba(20, 0, 0, 0.2);
    box-shadow: inset 0px 0px 5px rgba(0, 0, 0, 0.8);
    background-clip: padding-box;
    border: 1px solid transparent;
  }
  #p1 span.sign {
    border-radius: 50% 50% 0 0;
  }
  #p2 span.sign {
    border-radius: 0 0 50% 50%;
  }
  span.name {
    width: 80px;
    font-family: 'Gaegu', cursive;
    font-size: 19px;
    color: rgba(255, 255, 255, 0.75);
    margin-left: 6px;
  }
  #p1 > span.name {
    padding-bottom: 2px;
  }
  #p2 > span.name {
    padding-bottom: 8px;
  }
  
  span.wins {
    font-family: 'Rock Salt', cursive;
    font-size: 14px;
    color: rgba(0, 0, 0, 1);
    padding-bottom: 0px;
  }
  .strike {
      position: relative;
  }
  .strike::after{
      content: '';
      border-bottom: 1px solid rgba(0, 0, 0, 0.7);
      position: absolute;
      left: 0;
      top: 50%;
      width: 100%;
  }
  
  div.board {
    position: relative;  
  }
  
  ul#grid {
    list-style-type: none;
    padding: 0;
    margin: 0px 24px 26px 24px;
    display: grid;
    grid-template-rows: repeat(3, 75px);
    grid-template-columns: repeat(3, 75px);
    grid-gap: 3px;
    border-radius: 2px;
  }
  
  ul#grid > li {
    background: rgba(20, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Bonbon', cursive;
    font-size: 55px;
    border-radius: 3px;
    box-shadow: inset 0px 0px 5px rgba(0, 0, 0, 0.8);
  }
  
  ul#grid > li.hover:hover {
    opacity: 0.6;
    cursor: pointer;
  }
  
  #overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    border-radius: 2px;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  #content-wrapper {
    margin: 0 5%;
    display: flex;
    flex-direction: column;
    text-align: center;
    flex: 1;
    border-radius: 6px;
    box-shadow: 3px 5px 10px rgba(0, 0, 0, 0.5);
  }
  
  .fade-menu .content-box {
    opacity: 0;
  }
  
  .fade-menu#content-wrapper {
    box-shadow: 3px 5px 10px rgba(0, 0, 0, 0); 
  } 
  
  .content-box {
    cursor: default;
    font-family: 'Amatic SC', cursive;
    font-size: 30px;
    background: rgba(210, 190, 190, 0.9);
    transition: opacity 0.7s ease-out;
  }
  
  #content1 {
    border-radius: 6px 6px 0px 0px;
    padding-top: 9px;
  }
  
  #content3 {
    display: flex;
    justify-content: center;
    border-radius: 0px 0px 6px 6px;
    padding-bottom: 9px;
  }
  
  div.button {
    font-size: 32px;
    font-weight: bold;
    margin: 0 10px;
    cursor: pointer;
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: transform 0.1s ease-out;
  }
  div.button:hover {
    text-decoration: underline;
    text-decoration-color: rgba(123, 121, 64, 0.9);
    transform: scale(1.2);
  }
  
  input {
    font-family: 'Gaegu', cursive;
    font-size: 26px;
    text-align: center;
    color: white;
    width: 50%;
    margin-top: 6px;
    border-radius: 4px;
    outline: none;
    border: none;
    padding: 2px 8px;
    background-color: rgba(0, 0, 0, 0.4);
  }
  
  .bonbon-large {
    font-family: 'Bonbon', cursive;
    color: rgba(123, 121, 64, 0.9);
  }
  span.bonbon-large {
    font-size: 52px;
    margin-right: 10px;
    margin-left: -15px;
  }
  
  #fader {
    position: absolute;
    cursor: default;
    bottom: -30px;
    right: 50px;
    font-family: 'Swanky and Moo Moo', cursive;
    font-size: 20px;
    color: rgba(0, 0, 0, 1);
    z-index: 20;
  }
  
  #separator {
    font-size: 23px;
    margin: 10px 10px;
  }
  
  @keyframes rotate {
    from {
      transform: rotate(0deg);
    }
    to { 
      transform: rotate(360deg);
    }
  }
  .rotate {
    animation-name: rotate; 
    animation-duration: 4.5s; 
    animation-iteration-count: infinite;
    animation-timing-function: linear;
  }
  
  .sign-highlight {
    border: 1px solid rgba(187, 188, 58, 0.5) !important;
  }