html {
  padding: 1em;
  background: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #dddddd), color-stop(100%, #ffffff)) no-repeat;
  background: -webkit-linear-gradient(#dddddd, #ffffff) no-repeat;
  background: -moz-linear-gradient(#dddddd, #ffffff) no-repeat;
  background: -o-linear-gradient(#dddddd, #ffffff) no-repeat;
  background: -ms-linear-gradient(#dddddd, #ffffff) no-repeat;
  background: linear-gradient(#dddddd, #ffffff) no-repeat;
}

h1 {
  font-size: 2em;
  margin-bottom: 1em;
}

h2 {
  font-size: 1.4em;
  margin-bottom: .6em;
}

.doc {
  background: #fff;
  border: #ddd;
  padding: 1em;
  color: #aaa;
  margin: 1em;
  font-style: italic;
}
.doc a {
  color: #999;
}

/**
 * Shape/Symbol
 *
 * @author Maxime Thirouin maxime.thirouin@gmail.com @MoOx
 */
/**
 * Shape/Symbol/Diamond
 *
 * @todo add height support
 * 
 * @author Alexander Futekov
 * @author Maxime Thirouin maxime.thirouin@gmail.com @MoOx
 */
/**
 * Shape/Symbol/Egg
 *
 * @author Maxime Thirouin maxime.thirouin@gmail.com @MoOx
 */
/**
 * Shape/Symbol/Heart
 * 
 * @author Nicolas Gallagher @necolas
 * @author Maxime Thirouin maxime.thirouin@gmail.com @MoOx
 */
/**
 * Shape/Symbol/Infinity
 * 
 * @author Nicolas Gallagher @necolas
 * @author Maxime Thirouin maxime.thirouin@gmail.com @MoOx
 */
/**
 * Shape/Symbol/Pacman
 *
 * @author Maxime Thirouin maxime.thirouin@gmail.com @MoOx
 */
/**
 * Shape/Symbol/Yin-yang
 *
 * @author Alexander Futekov
 * @author Maxime Thirouin maxime.thirouin@gmail.com @MoOx
 */
.diamond {
  border-style: solid;
  border-color: transparent transparent black transparent;
  border-width: 0 2.5em 2.5em 2.5em;
  height: 0;
  width: 5em;
  position: relative;
  margin: 1em 0 5em 0;
}
.diamond:after {
  content: "";
  position: absolute;
  top: 2.5em;
  left: -2.5em;
  width: 0;
  height: 0;
  border-style: solid;
  border-color: black transparent transparent transparent;
  border-width: 3.5em 5em 0 5em;
}

.diamond2 {
  border-style: solid;
  border-color: transparent transparent black transparent;
  border-width: 0 4em 4em 4em;
  height: 0;
  width: 8em;
  position: relative;
  margin: 1.6em 0 8em 0;
}
.diamond2:after {
  content: "";
  position: absolute;
  top: 4em;
  left: -4em;
  width: 0;
  height: 0;
  border-style: solid;
  border-color: black transparent transparent transparent;
  border-width: 5.6em 8em 0 8em;
}

.egg {
  display: block;
  width: 5em;
  height: 8em;
  background-color: black;
  -moz-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  -webkit-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  -o-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  -ms-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  -khtml-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
}

.egg2 {
  display: block;
  width: 8em;
  height: 10em;
  background-color: black;
  -moz-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  -webkit-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  -o-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  -ms-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  -khtml-border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
  border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
}

.heart {
  position: relative;
  width: 5em;
  height: 4em;
}
.heart:before, .heart:after {
  position: absolute;
  content: "";
  top: 0;
  width: 2.5em;
  height: 4em;
  background: black;
  -moz-border-radius: 2em 2em 0 0;
  -webkit-border-radius: 2em 2em 0 0;
  -o-border-radius: 2em 2em 0 0;
  -ms-border-radius: 2em 2em 0 0;
  -khtml-border-radius: 2em 2em 0 0;
  border-radius: 2em 2em 0 0;
}
.heart:before {
  left: 2.5em;
  -moz-transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  transform: rotate(-45deg);
  -moz-transform-origin: 0% 100%;
  -webkit-transform-origin: 0% 100%;
  -o-transform-origin: 0% 100%;
  -ms-transform-origin: 0% 100%;
  transform-origin: 0% 100%;
}
.heart:after {
  left: 0;
  -moz-transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
  -moz-transform-origin: 100% 100%;
  -webkit-transform-origin: 100% 100%;
  -o-transform-origin: 100% 100%;
  -ms-transform-origin: 100% 100%;
  transform-origin: 100% 100%;
}

.heart2 {
  position: relative;
  width: 10em;
  height: 8em;
}
.heart2:before, .heart2:after {
  position: absolute;
  content: "";
  top: 0;
  width: 5em;
  height: 8em;
  background: black;
  -moz-border-radius: 4em 4em 0 0;
  -webkit-border-radius: 4em 4em 0 0;
  -o-border-radius: 4em 4em 0 0;
  -ms-border-radius: 4em 4em 0 0;
  -khtml-border-radius: 4em 4em 0 0;
  border-radius: 4em 4em 0 0;
}
.heart2:before {
  left: 5em;
  -moz-transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  transform: rotate(-45deg);
  -moz-transform-origin: 0% 100%;
  -webkit-transform-origin: 0% 100%;
  -o-transform-origin: 0% 100%;
  -ms-transform-origin: 0% 100%;
  transform-origin: 0% 100%;
}
.heart2:after {
  left: 0;
  -moz-transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
  -moz-transform-origin: 100% 100%;
  -webkit-transform-origin: 100% 100%;
  -o-transform-origin: 100% 100%;
  -ms-transform-origin: 100% 100%;
  transform-origin: 100% 100%;
}

.infinity {
  position: relative;
  width: 5em;
  height: 2.358em;
}
.infinity:before, .infinity:after {
  content: "";
  position: absolute;
  top: 0;
  width: 1.415em;
  height: 1.415em;
  border: 0.472em solid black;
}
.infinity:before {
  left: 0;
  -moz-border-radius: 1.179em 1.179em 0 1.179em;
  -webkit-border-radius: 1.179em 1.179em 0 1.179em;
  -o-border-radius: 1.179em 1.179em 0 1.179em;
  -ms-border-radius: 1.179em 1.179em 0 1.179em;
  -khtml-border-radius: 1.179em 1.179em 0 1.179em;
  border-radius: 1.179em 1.179em 0 1.179em;
  -moz-transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.infinity:after {
  right: 0;
  -moz-border-radius: 1.179em 1.179em 1.179em 0;
  -webkit-border-radius: 1.179em 1.179em 1.179em 0;
  -o-border-radius: 1.179em 1.179em 1.179em 0;
  -ms-border-radius: 1.179em 1.179em 1.179em 0;
  -khtml-border-radius: 1.179em 1.179em 1.179em 0;
  border-radius: 1.179em 1.179em 1.179em 0;
  -moz-transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}

.infinity2 {
  position: relative;
  width: 10.6em;
  height: 5em;
}
.infinity2:before, .infinity2:after {
  content: "";
  position: absolute;
  top: 0;
  width: 3em;
  height: 3em;
  border: 1em solid black;
}
.infinity2:before {
  left: 0;
  -moz-border-radius: 2.5em 2.5em 0 2.5em;
  -webkit-border-radius: 2.5em 2.5em 0 2.5em;
  -o-border-radius: 2.5em 2.5em 0 2.5em;
  -ms-border-radius: 2.5em 2.5em 0 2.5em;
  -khtml-border-radius: 2.5em 2.5em 0 2.5em;
  border-radius: 2.5em 2.5em 0 2.5em;
  -moz-transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.infinity2:after {
  right: 0;
  -moz-border-radius: 2.5em 2.5em 2.5em 0;
  -webkit-border-radius: 2.5em 2.5em 2.5em 0;
  -o-border-radius: 2.5em 2.5em 2.5em 0;
  -ms-border-radius: 2.5em 2.5em 2.5em 0;
  -khtml-border-radius: 2.5em 2.5em 2.5em 0;
  border-radius: 2.5em 2.5em 2.5em 0;
  -moz-transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}

.pacman {
  width: 0;
  height: 0;
  border-right: 5em solid transparent;
  border-top: 5em solid black;
  border-left: 5em solid black;
  border-bottom: 5em solid black;
  border-top-left-radius: 5em;
  border-top-right-radius: 5em;
  border-bottom-left-radius: 5em;
  border-bottom-right-radius: 5em;
}

.pacman2 {
  width: 0;
  height: 0;
  border-right: 8em solid transparent;
  border-top: 8em solid black;
  border-left: 8em solid black;
  border-bottom: 8em solid black;
  border-top-left-radius: 8em;
  border-top-right-radius: 8em;
  border-bottom-left-radius: 8em;
  border-bottom-right-radius: 8em;
}

.yin-yang {
  width: 4.8em;
  height: 2.4em;
  background: white;
  border-color: black;
  border-style: solid;
  border-width: 0.1em 0.1em 2.5em 0.1em;
  position: relative;
}
.yin-yang, .yin-yang:before, .yin-yang:after {
  -moz-border-radius: 100%;
  -webkit-border-radius: 100%;
  -o-border-radius: 100%;
  -ms-border-radius: 100%;
  -khtml-border-radius: 100%;
  border-radius: 100%;
}
.yin-yang:before, .yin-yang:after {
  content: "";
  position: absolute;
  top: 50%;
  border: 0.9em solid;
  width: 0.6em;
  height: 0.6em;
}
.yin-yang:before {
  left: 0;
  background: white;
  border-color: black;
}
.yin-yang:after {
  left: 50%;
  background: black;
  border-color: white;
}

.yin-yang2 {
  width: 7.68em;
  height: 3.84em;
  background: red;
  border-color: lime;
  border-style: solid;
  border-width: 0.16em 0.16em 4em 0.16em;
  position: relative;
}
.yin-yang2, .yin-yang2:before, .yin-yang2:after {
  -moz-border-radius: 100%;
  -webkit-border-radius: 100%;
  -o-border-radius: 100%;
  -ms-border-radius: 100%;
  -khtml-border-radius: 100%;
  border-radius: 100%;
}
.yin-yang2:before, .yin-yang2:after {
  content: "";
  position: absolute;
  top: 50%;
  border: 1.44em solid;
  width: 0.96em;
  height: 0.96em;
}
.yin-yang2:before {
  left: 0;
  background: red;
  border-color: lime;
}
.yin-yang2:after {
  left: 50%;
  background: lime;
  border-color: red;
}