CSS选择器和单位测验

• text-align: center (correct)
• position: absolute; left:50%; margin-left:
• margin: 0 auto
• display: flex; justify-content: center

• margin: 0 auto
• position: absolutelefttopmargin-leftmargin-top() (correct)
• transform: translate(x, y)
• display: table-cell; vertical-align: middle

• + margin:
• display: table-cell; vertical-align: middle
• flexdisplay: flex; justify-content: center
• +left:50%+margin: (correct)

<p>lefttopmargin-leftmargin-top() (B)</p> Signup and view all the answers

<p>disaply: table-cell; vertical-align: middle (A)</p> Signup and view all the answers