html,body {font-family:"Roboto",sans-serif; line-height:1.4;margin:0;padding:0}
h1,h2,h3,h4,h5,h6 {font-family:"Roboto",sans-serif; color:#009688; line-height:1.1}
@media not print { main {margin-left:auto; margin-right:auto; padding:0 1.2ex; max-width:70em} }
h1 {font-size:32px}
h2 {font-size:26px}
h3 {font-size:22px}
h4 {font-size:20px}
h5 {font-size:18px}
h6 {font-size:16px}
li {padding:0.2ex 0}
footer {display:block; height:1em; padding:0; margin:0; background-color:#444}