body{background:white;color:black}
h1{background:skyblue;color:white;padding:0.2em}
h2{background:darkcyan;color:white;padding:0.1em;margin-left:0em}
h3{background:white;color:blue;margin-left:0em}
h4{background:white;color:green;margin-left:0.5em}
h5{background:white;color:darkcyan;font-size:medium;margin-left:1em}
p{margin-left:1em}
pre{margin-left:1em}
a{color:darkskyblue}
img{border-color:skyblue}