body { background-color:gray; }
h1 { text-align: center; font-family:arial,sans-serif}
h2 { text-align: center; font-family:arial,sans-serif}
h3 { text-align: center; font-family:arial,sans-serif}
p { font-family:arial,sans-serif}
ul { font-family:arial,sans-serif}
a { font-family:arial,sans-serif}
table { font-family:arial,sans-serif}