gistfile1.css

.classofmything {
  /* Properties of my thing */
  display: block;
  color: rgb(123, 123, 123);
}

/* My thing's border radius definition */
.borderradius .classofmything {
  -webkit-border-radius: 6px;
  -moz-border-radius: 6px;
  border-radius: 6px;
}

.cssgradients .classofmything {
  background: rgb(30,87,153); /* Old browsers */
  background: -moz-linear-gradient(top,  rgb(30,87,153) 0%, rgb(41,137,216) 50%, rgb(32,124,202) 51%,   rgb(125,185,232) 100%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgb(30,87,153)), color-stop(50%,rgb(41,137,216)), color-stop(51%,rgb(32,124,202)), color-stop(100%,rgb(125,185,232))); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top,  rgb(30,87,153) 0%,rgb(41,137,216) 50%,rgb(32,124,202) 51%,rgb(125,185,232) 100%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top,  rgb(30,87,153) 0%,rgb(41,137,216) 50%,rgb(32,124,202) 51%,rgb(125,185,232) 100%); /* Opera 11.10+ */
  background: -ms-linear-gradient(top,  rgb(30,87,153) 0%,rgb(41,137,216) 50%,rgb(32,124,202) 51%,rgb(125,185,232) 100%); /* IE10+ */
  background: linear-gradient(top,  rgb(30,87,153) 0%,rgb(41,137,216) 50%,rgb(32,124,202) 51%,rgb(125,185,232) 100%); /* W3C */
}