표준코딩에서 vertical-align : middle; 적용하기
html - Vertical align all(!) elements in TD? - Stack Overflow
Is there evidence that text in a table vertically aligned middle is easier to read compared to vertically aligned top? - User Experience Stack Exchange
Set vertical align for table cells in HTML and CSS
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Using vertical-align on table cells
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Tutorial: How to vertical center align a login form or container DIV? | e-Zest
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css - Vertically center a div inside a display: table-cell element? - Stack Overflow
vertical-align | CSS-Tricks - CSS-Tricks
Centering Information in Table Cells (Microsoft Word)
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html - Cleanest way to horizontally centre table cell in CSS - Stack Overflow
How to vertically center an element without Flex | by JetThoughts | JTWay
vertical-align | CSS-Tricks - CSS-Tricks
How to vertically center text with CSS ? - GeeksforGeeks
Pens tagged 'displaytable-cell' on CodePen
javascript - Vertically center a content area until it reaches a certain height? - Stack Overflow
How to Center a Table with CSS (Quick Guide)
javascript - Vertical alignment of floating divs - Stack Overflow
html - Vertical align not working inside table column - Stack Overflow
CSS vertical-align Property
CSS vertical-align Property
css - Align text center to table header and right to siblings(html - table)? - Stack Overflow
