How does the css setting absplute level go beyond the parent setting to the highest?

the parent is fixed positioning, the child is relative positioning, the innermost is absolute positioning, and there is a pink fixed positioning. How to set the absolute positioning green box to
level the highest display on it
link description

Css
Jul.01,2021

put < div class= "three" > < / div > after second, which is a sibling relationship.


change the level:

<div class="ffixed">
  <div class="three"></div>
  <div class="first">
    <div class="second"></div>
  </div>
</div>
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b36e52-2c048.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b36e52-2c048.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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