body{
max-width:650px;margin:40px auto;padding:0 5px;text-align: center;font:18px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";color:white;background:#222222}

h1,h2,h3{line-height:1.2}

.text-center {
  text-align: center;
}

.display-inline {
  display: inline-block;
}

a:link{color:white}a:visited{color:white}

img {
max-width: 100%;
max-width: 350px;
height: auto;
}

.divLeft {
text-align: left;
}

pre {
display: block;
font-family: sans-serif;
white-space: pre-wrap;
}