將HTML DIV區塊置於畫面中間的三種方式
1．
position:absolute;
top: 50%;
left: 50%;
transform: translate(–50%, –50%);
2.
display:flex;
justify-content:center;
align-items:center;
3.
display:grid;
place-items:center;
Education and research resources
1．
position:absolute;
top: 50%;
left: 50%;
transform: translate(–50%, –50%);
2.
display:flex;
justify-content:center;
align-items:center;
3.
display:grid;
place-items:center;