:after? :hover? ????? ???? ??
CSS? ??? ? :after? :hover ?? ???? ???? ?? ?????. ???? ??? ??? ???. ??? ?? ???? ?? ??? ? ????.
:after? ???? ??? ??? ???? ??? ???? ??? ???? ??? ??? ??? ???. ??? ???? ???? ??? ??? ??? ??? ???? ????.
#alertlist {
list-style: none;
width: 250px;
}
#alertlist li {
padding: 5px 10px;
border-bottom: 1px solid #e9e9e9;
position: relative;
}
#alertlist li.selected,
#alertlist li:hover {
color: #f0f0f0;
background-color: #303030;
}
#alertlist li.selected:after {
position: absolute;
top: 0;
right: -10px;
bottom: 0;
border-top: 10px solid transparent;
border-bottom: 10px solid transparent;
border-left: 10px solid #303030;
content: "";
}
:after ??? :hover? ????? ??? ???? #alertlist li:hover ???? :after? ???? ???. #alertlist li.selected:
#alertlist li.selected:after, #alertlist li:hover:after
{
position:absolute;
top: 0;
right:-10px;
bottom:0;
border-top: 10px solid transparent;
border-bottom: 10px solid transparent;
border-left: 10px solid #303030;
content: "";
}
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Jun 24, 2025 am 12:42 AM
CSS? ??? ??? ????? ????? ??? ? ?? CSS? ????? ?? ??????, ?? ?? ? ??? ??, ??? ?? ?? ??? CSS ? ????? ?? ??? ?? ???? ???? ??? ??? ???. 1. ?? CSS? ???? HTML? ?? ?????. 2. JavaScript? ?? ??? CSS ??; 3. ??? ??? ???? ?? ???? ????? ??????. 4. CSS? ???? ???? ??? ????. ?? CSS? ???? ?? ??? ???? Rel = "Preload"?????? ????, ??? ?? ??? ????? ???? ??? ?? ? ??? ???? ??? ?????.
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Jun 20, 2025 am 12:45 AM
TheBestoproachforcssdspectionseproject'sspecificneeds.forlargerProjects, externalcsSisbetterduetomainabainabainabilitableability ? forsmallerprojectsorsingle-pageapplications, ?? csmightbemoresuitable.it 'scrucialtobalanceprojectsize, ??
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Jun 19, 2025 am 12:29 AM
???, cssdoesnothavetobeInlowercase. ???, lowercaseisRecomedended for : 1) ??? ? ??, 2) ??? ?? rorsinerrorsinerrorsIngerRorsIngerRorsInteChnologies, 3) ??? ?? ??, ? 4) ?? ? ???? ????.
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Jun 20, 2025 am 12:09 AM
cssismostlycase-Insensitive, buturlsandfamilynamesarecase-insensitive.1) propertiesandvalueslikecolor : red; anteOtcase-inditive.2) urlsmustmatchtheserver'scase, ?? ??,/images/logo.png.3) fontfamilynames'opens'mustoccase.
autopRefixer ? ???? ??? ??????
Jul 02, 2025 am 01:15 AM
AutoPrefixer? ?? ???? ??? ???? ?? ?? ???? CSS ??? ???? ???? ?????. 1. ????? ???? ???? ???? ??? ?????. 2. PostCSS ???? ??, CSS? ?? ???? ???? ?? ???? ??? ???? ??? ?? ??? ?????. 3. ?? ???? ???? ??, ??????? ?? ? ?? ???????? ????? ?? ?????. 4. ???? ???? ???? ???? ?? ?? ????, ???? ?? ??? ?? ???? ???? ????? ?? ???? ?? ????.
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Jun 19, 2025 am 12:34 AM
CSSCOUNTERSCANAUTOMALLYNUMBERSESSESSENDS.1) USECOUNTER-RESETTIONITIALIZE, CORKENT-INCREMENTTOINCERES, andCOUNTER () ORCOUNTERS () TODISPLAYVALUES.2) COMPINEWITHJAVAISCRIPTORDINAMICCONTENTTOEREACCUTERUPDATES.
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CSS?? ??? ? ?? ??? ?? ??? ???? ??, ??, URL ? ??? ?? ????? ?? ?? ??? ?????. 1. ???? ?? ??? ??? ? ???? ?? ?? ??? ??????. 2. ?? 16 ?? ??? ?? ??? ?????, ??? ???? ???? ?? ??? ??? ???? ????. 3. URL? ??? ???? ???? ??? ??? ? ????. 4. ??? ?? ?? (??)? ??? ???? ??? ? ???? ??????? ???????.
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theconic-gradient () functionincsscreatescurcular gradientsthattroTecolorstopsaroundacentral point
