html,body {
    height: 100%;
    margin: 0;
}
body {
    background-color: black;
    color: #b82828;
    font-family: RobotoWeb, Roboto, Arial, sans-serif;
    font-weight: bold;
}
#solution {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.head-space {
    height: 50px;
    background-color: #b82828;
    display: flex;
    justify-content: center;
    align-items: center;
}
.you-cheat {
    color: white;
    animation: fade-in 15s ease-in-out;
}
@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
.grid-container {
    display: flex;
    flex-wrap: wrap;
    width: 80%;
    height: 100%;
}

.grid-item {
    flex: 0 0 15%; /* 20% width for 5 columns */
    box-sizing: border-box;
    text-align: left;
    padding: 10px;
    overflow: hidden;
    word-wrap: break-word;
    background-color: #e0e0e0;
    border-radius: 5px;
    border: 1px solid black;
    margin: 2px;
}

.unseen {
    display: none;
}
.ripple {
    width: 80px;
    height: 80px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    text-align: center;
  }
  .ripple div {
    position: absolute;
    border: 4px solid #fff;
    opacity: 1;
    border-radius: 50%;
    animation: ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
  }
  .ripple div:nth-child(2) {
    animation-delay: -0.5s;
  }
  @keyframes ripple {
    0% {
      top: 36px;
      left: 36px;
      width: 0;
      height: 0;
      opacity: 0;
    }
    4.9% {
      top: 36px;
      left: 36px;
      width: 0;
      height: 0;
      opacity: 0;
    }
    5% {
      top: 36px;
      left: 36px;
      width: 0;
      height: 0;
      opacity: 1;
    }
    100% {
      top: 0px;
      left: 0px;
      width: 72px;
      height: 72px;
      opacity: 0;
    }
  }