About the scipy lecture notes div.section#authors ul.simple li, div.section#requirements ul.simple li{ float: left; min-width: 200px; width: 30%; margin-right: 1.25em; } /* Below is necessary to avoid messing up android font size */ @media only screen and (max-width: 1080px) and (-webkit-min-device-pixel-ratio: 2.5), only screen and (max-width: 1080px) and (-o-min-device-pixel-ratio: 25/10), only screen and (max-width: 1080px) and (min-resolution: 250dpi) { div.section#authors ul.simple li, div.section#requirements ul.simple li{ float: none; width: 100%; min-width: 100%; margin-right: 0pt; } } div.section#authors ul.simple:after, div.section#requirements ul.simple li:after { display: block; font-size: 0; content: " "; clear: both; height: 1em; }