The CSS universal selector (*)
What's more important? *:first-child {} or :first-child {} * {} or body {}
by Lucas Krause
HTML
<div></div>
CSS
div {
width:100px;height:100px;
}
/**
*:first-child:not(a) {
background-color:red;
}
/*/
*:first-child {
background-color:red;
}
/**/
:first-child {
background-color:blue;
}
html, body {background-color:transparent;}