.clear(@clear: both){content: " ";clear: @clear;display: block;font-size: 0;visibility: hidden;}.clear-left{.clear(left);}.clear-right{.clear(right);}.clear-both{.clear;}.hidden{display: none;visibility: hidden;}.lined-left(@color: #000, @style: dotted, @width: 1px){border-left: @width @style @color;}.lined-right(@color: #000, @style: dotted, @width: 1px){border-right: @width @style @color;}.lined-top(@color: #000, @style: dotted, @width: 1px){border-top: @width @style @color;}.lined-bottom(@color: #000, @style: dotted, @width: 1px){border-bottom: @width @style @color;}.underlined(@color: #000, @style: dotted){border-bottom: 1px @style @color;}.list-br{display: block;margin: 0;padding: 0;>li{margin: 0;padding: 0;list-style: none;}}.list-flat{.list-br;>li{display: inline;}}.links{>ul{.list-flat;margin: 0;}}.links-piped{.links;>ul>li{*{margin: 0 0.25em;}&:before{content: "|";}&:first-child:before{content: "";}}}.radius(@radius-topleft: 0.5em, @radius-topright: 0.5em, @radius-bottomright: 0.5em, @radius-bottomleft: 0.5em){border-radius: @radius-topleft @radius-topright @radius-bottomright @radius-bottomleft;-webkit-border-radius: @radius-topleft @radius-topright @radius-bottomright @radius-bottomleft;-moz-border-radius: @radius-topleft @radius-topright @radius-bottomright @radius-bottomleft;}.radius-high{.radius(1em, 1em, 1em, 1em);}.radius-medium{.radius(0.75em, 0.75em, 0.75em, 0.75em);}.radius-low{.radius(0.5em, 0.5em, 0.5em, 0.5em);}.radius-off{.radius(0, 0, 0, 0);}