Display
display: none / block / inline / inline-block;
block element
- full width of container
- by default:
<div> <p> <ul> <ol> <li> <h1 --> h6>
centering
- declare width less than parent
- set
margin: 0 auto;
inline element
- found within block - elements
- take up space of content
- no line-break
- by default:
<span> <a> <em> <img> <strong>
centering
- set
text-align: center;
inline-block element
- not by default, needs to be applied
- same flow as inline, but behaves like block
centering
- set
text-align: center;