The difference between Inline-block and block

{padding:0px;  Margin:0px;}     </style>

The state of the parent element must not be able to control all of its own elements.
The Text-align:center property here can only be restricted to the inline block element, Inline-block, but not block, so it causes the font of the first block element, relative to the second font, to the left of the horizontal

The difference between Inline-block and block