Examples

#Groups Selector

h1, h2 { color: red; } 

#Chaining Selector

h3.section-heading { color: blue; } 

#Attribute Selector

div[attribute="SomeValue"] { background-color: red; } 

#First Child Selector

p:first-child { font-weight: bold; } 

#No Children Selector

.box:empty { background: lime; height: 80px; width: 80px; }