:root {
    --red: #f00;
    --orange: #f80;
    --yellow: #ff0;
    --green: #0f0;
    --turquoise: #0f8;
    --cyan: #0ff;
    --blue: #00f;
    --purple: #80f;
    --magenta: #f0f;
    --crimson: #f08;
    --white: #fff;
    --gray: hsl(0, 0%, 50%);
    --black: #000;
}
* {
    margin: 0;
    padding: 0;
}
body {
    position: relative;
}
h1,h2,h3,h4,h5,h6,p,b,i,s,u,em,li,ruby,span,small,big {
    color: var(--red);
}
h1 {
    font-size: 60px;
}
h2 {
    font-size: 56px;
}
h3 {
    font-size: 52px;
}
h4 {
    font-size: 48px;
}
h5 {
    font-size: 42px;
}
h6 {
    font-size: 32px;
}
p,b,u,i,span,li,em,s {
    font-size: 20px;
}
b {
    font-kerning: normal;
}
a {
    color: var(--orange);
    text-decoration: none;
}
br {
    user-select: none;
}
ul {
    position: relative;
    list-style: none;
}
.textbox {
    position: relative;
    width: 800px;
    word-break: break-all;
}
.center {
    left:50%;
    transform: translateX(-50%);
}