body { 
    background: #000;
    justify-content: center;
    perspective: 1000px;
    color: #fff;

    display: flex;
    align-items: center;
    min-height: 100vh;
    background-color: #000;
}
h1 {
    font-family:'Courier', "Courier New", monospace;
    font-size: 32;
    font-weight: 500;
    color: white;
}
pre {
    margin: 0;
    font-family:'Courier', "Courier New", monospace;
    font-size: 200%;
    font-weight: 500;
    color: white;
    text-align: center;
}
.keyboard {
    margin: 0;
    font-family:'Courier', "Courier New", monospace;
    font-size: 100%;
    font-weight: 600;
    color: white;
    text-align: center;
}
.card {
    transform-style: preserve-3d;
    border-radius: 30px;
    padding: 1rem 1rem;
    box-shadow: 0 20px 20px rgba(255, 255, 255, 0.2), 0px 0px 50px rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 1);
  }  
.space-pre {
    white-space: pre;
    text-align: center;
}
.rainbow-animated {
    background: linear-gradient(to right, rgb(252, 104, 110), rgb(255, 255,110), rgb(155, 255, 110), rgb(252, 102, 255), rgb(153, 100, 255), rgb(114, 255, 255), rgb(252, 104, 110));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-animation: rainbow 4s linear infinite;
    animation: rainbow 4s linear infinite;
    margin: 0;
}
@keyframes rainbow {
    0% { background-position: 0% 100% }
    50% { background-position: 100% 200% }
    100% { background-position: 200% 0% }
}
.stage4-plain {
    text-align: left;
    color: #fff;
    font-size: 16px;
    word-wrap: break-word; 
    white-space: pre-wrap;
}
.stage5 {
    background: linear-gradient(to right, #000,#fff, #000, #000);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-animation: ainm 2s linear infinite;
    animation: ainm 2s linear infinite;
    margin: 0;
}
@keyframes ainm {
    0% { background-position: 0% 100% }
    50% { background-position: 100% 200%}
    100% { background-position: 200% 0%}
}
.stage6 {
    font-family: 'Courier', "Courier New", monospace;
    font-size: 16px;
    justify-content: left;
    text-align: left;
    align-items: left;
    display: block;
    float: left;
    word-wrap: space;
    white-space: normal;
    min-height: 0px;
}
.vanilla {
    transform-style: preserve-3d;
    box-shadow: 0 20px 20px rgba(255, 255, 255, 0.2);
}
.stage10 {
    font-family: 'Courier', "Courier New", monospace;
    justify-content: left;
    text-align: left;
    align-items: left;
    display: block;
    float: left;
    word-wrap: space;
    white-space: normal;
    min-height: 0px;

    margin: 0;

    color: #000;
    background-color: whitesmoke;
    width: 100%;

}
.s10div {
    margin: 0px;
    margin-bottom: 5px;
    padding: 10px;
    background: #fff;
    display: flex;
    flex-direction: row;
}
.s10h1 {
    font-family: 'Courier', "Courier New", monospace;
    padding-top: 10px;
    margin: 10px;
    font-size: 35px;

    color: #000;
}
.s10card {
    display: flex;
    margin: 10px;

    height: 128px;
    width: 128px;
    background-color: #fff;
}
.s10cont {
    text-align: left;
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: left;
}
.s10pre {
    margin-top: 10px;
    padding-left: 10px;
    color: #000;
    background-color: #fff;
    text-align: left;
}
.stage11 {
    background-color: #fff;
    color: #000;
    text-align: left;
    font-family: 'Times New Roman', Times, serif;
}