1 00:00:00,000 --> 00:00:02,000 [Powered by Google Translate] [CSS] 2 00:00:02,000 --> 00:00:04,810 [Joseph Ong - Harvard University] 3 00:00:04,810 --> 00:00:07,160 [Hoc est CS50. - CS50.TV] 4 00:00:07,160 --> 00:00:11,430 >> Hodie nos loquemur circa CSS aut SUBMISSUS Style rudentis. 5 00:00:11,430 --> 00:00:14,330 >> Sic quis exigo est CSS? 6 00:00:14,330 --> 00:00:17,120 Bene, lets confringet term CSS descendit in II partes: 7 00:00:17,120 --> 00:00:19,510 SUBMISSUS et Style rudentis. 8 00:00:19,510 --> 00:00:23,900 SUBMISSUS modicum est magis composita, et alia operi certe aliquid video. 9 00:00:23,900 --> 00:00:27,930 Sed imprimis, Style rudentis valde innuit quid CSS facit. 10 00:00:27,930 --> 00:00:30,880 Addit styles ad HTML of a web page, 11 00:00:30,880 --> 00:00:33,720 mutans quomodo paginam aesthetically laudävit. 12 00:00:33,720 --> 00:00:38,310 Ita omnia ex fonte contenti positus in textum ipsum 13 00:00:38,310 --> 00:00:43,800 ad alia frigus rebus quasi faciens in angulis arca archa rotundatis vel addendo tenebris ad text. 14 00:00:43,800 --> 00:00:48,230 Vos can vel facere rabidus rebus quasi, quae faceret animandum in screen. 15 00:00:48,230 --> 00:00:51,700 >> Sic quam operor utimur CSS cum HTML? 16 00:00:51,700 --> 00:00:53,620 Tolle haec pauper bellus site EGO iustus scripsit. 17 00:00:53,620 --> 00:00:57,290 Si Rob erant hoc intueri site vox iam ille certe, probabiliter dicere aliquid huiusmodi, 18 00:00:57,290 --> 00:01:01,730 "Wow Mi introductionem spectat terribilis. Joseph, vestri 'horrendum et Importare". 19 00:01:01,730 --> 00:01:05,110 "Usura default Times font? Helvetica est adeo melius." 20 00:01:05,110 --> 00:01:09,600 >> Sic quaenam sit simplicissima via applicare text Rob uult? 21 00:01:09,600 --> 00:01:13,530 Maxime manifestis via lots of populus initio scripsit CSS 22 00:01:13,530 --> 00:01:17,470 recte dicimus ut scilicet ipsum elementum more denuntiationibus 23 00:01:17,470 --> 00:01:20,560 usura HTML style attributum. 24 00:01:20,560 --> 00:01:26,420 A style declarationem simpliciter consistit in HTML elementum est scriptor CSS proprietas nos volo muto 25 00:01:26,420 --> 00:01:32,140 deinde sequitur nova colonia semicolon proprietatem et dignitatem in. 26 00:01:32,140 --> 00:01:36,600 Puta si dicamus quod apud Rob introductionem nigris velit. 27 00:01:36,600 --> 00:01:40,040 Nos prius posuit style attributum in Rob scriptor div hic 28 00:01:40,040 --> 00:01:43,830 tunc inside duplici quotes posuit CSS declarationis: 29 00:01:43,830 --> 00:01:47,880 "Terminum 1px solidum nigrum;" 30 00:01:47,880 --> 00:01:52,480 Dicitur I latitudinis pixel in finibus solidum marginem dicitur genus, 31 00:01:52,480 --> 00:01:56,640 determinat quid sit extremum et color ora color. 32 00:01:56,640 --> 00:02:01,220 >> Si volumus multiple styles super elementum, haec scribere declarationes sequence. 33 00:02:01,220 --> 00:02:05,650 Pro exemplo, si Rob cupit caput capitis text in Helvetica caeruleo background 34 00:02:05,650 --> 00:02:09,270 et plus spatii circa textu, possumus hoc facere: 35 00:02:09,270 --> 00:02:19,800 style = "font-familiam habui: Helvetica; background-colorem: cæruleus; padding: 5px;" 36 00:02:22,150 --> 00:02:28,010 Ultimum semicolon est actu optional, sed homines solet servaveris eam in constan gratia. 37 00:02:28,010 --> 00:02:32,180 >> Puteus 'salvum explicando quidam de frigidior Thracam et magis complexu CSS proprietates 38 00:02:32,180 --> 00:02:34,140 pro alio video. 39 00:02:34,140 --> 00:02:38,780 Si habes aliquid in mente, iustus Googling effectus vos volo secuutus per CSS 40 00:02:38,780 --> 00:02:41,590 mos forsit dabo vobis pulchellus bonus praecessi. 41 00:02:41,590 --> 00:02:44,530 Gelidis res est ut CSS est pulchellus lata, 42 00:02:44,530 --> 00:02:48,470 quae sola si quid vis ut faciam - sane - 43 00:02:48,470 --> 00:02:51,350 CSS probabiliter potest facere illud. 44 00:02:51,350 --> 00:02:54,750 Hoc dicimus genus vocarunt inline text. 45 00:02:54,750 --> 00:02:59,030 Res loquitur bene juxta eu velit. 46 00:02:59,030 --> 00:03:01,770 >> Enim folks qui plane vellem organisatum, 47 00:03:01,770 --> 00:03:05,800 vos vires satus questus a paulo peeved autem quomodo nuntius hoc omnia laudävit. 48 00:03:05,800 --> 00:03:09,810 Si imaginor aliquid faciendum in omni pagina 49 00:03:09,810 --> 00:03:13,690 plus jam nunc tua HTML et CSS sunt, omnes interiecti et cluttered. 50 00:03:13,690 --> 00:03:15,500 Gross, vox? 51 00:03:15,500 --> 00:03:21,110 Pango hoc, populus eventually coepi, apprehensa ad et divisio HTML markup 52 00:03:21,110 --> 00:03:26,370 ex eorum CSS text per usura aliquid vocavit CSS selectors. 53 00:03:26,370 --> 00:03:31,780 CSS selectors sunt inducta ad eligere, ex quibus declarationes applicantur. 54 00:03:31,780 --> 00:03:38,600 A electrix iunctique cum a album of CSS declarationes catur multotiens quasi CSS regulam. 55 00:03:38,600 --> 00:03:43,260 Has regulas esset poni inter aperire et claudere HTML style tags 56 00:03:43,260 --> 00:03:46,120 caput saepe testatus est. 57 00:03:46,120 --> 00:03:49,000 >> Magis videre illud exemplum 58 00:03:49,000 --> 00:03:53,000 sic lets 'satus per partum simplex CSS regulam. 59 00:03:53,000 --> 00:03:58,180 Primum, ne scriptor posuit style tags in capite capitulum nostrae HTML. 60 00:03:58,180 --> 00:04:00,020 Next et electrix. 61 00:04:00,020 --> 00:04:03,490 Puteus 'satus off per usura unus de simplicissima selectors est, cinis symboli, 62 00:04:03,490 --> 00:04:08,080 quae deligit an HTML elementum per suam ID attributum. 63 00:04:08,080 --> 00:04:11,850 In hoc casu puteus 'lego div, quae exhibet Rob scriptor introductionem 64 00:04:11,850 --> 00:04:16,740 per typing in cinis symbolum secuutus per div scriptor ID, expoliandum. 65 00:04:16,740 --> 00:04:18,579 Nunc declarationibus suis. 66 00:04:18,579 --> 00:04:24,090 Addimus aperire et claudere adstringit transferamusque quod superius inline declarationes super Rob scriptor div 67 00:04:24,090 --> 00:04:26,880 intra ipsis adstringit, reficite, 68 00:04:26,880 --> 00:04:34,160 et, refrigerant, Rob scriptor intro habet tamen nigris Circumdedi illud preter nuntius inline deformitati. 69 00:04:34,160 --> 00:04:39,380 >> Nunc, quid si voluimus lego h1 inside of Rob scriptor intro? 70 00:04:39,380 --> 00:04:44,400 Ut putes, "Lets posuit ID super illud et tunc permoveo quod superius styles." 71 00:04:44,400 --> 00:04:48,760 Ut officina, sed CSS habet alias vias tabellae vos lego elementa 72 00:04:48,760 --> 00:04:53,490 per usura quod nos vocamus combinators miscere simplex selectors. 73 00:04:53,490 --> 00:04:57,740 Sicut character uti combinator whitespace 74 00:04:57,740 --> 00:05:03,510 definias, omnes instantiis I electrix qui vivimus, inside of alius electrix. 75 00:05:03,510 --> 00:05:06,630 Videtur perplexior amet quam habet. 76 00:05:06,630 --> 00:05:08,830 Hic 'exemplum. 77 00:05:08,830 --> 00:05:13,900 Nos mos typus # expoliare, adde spatio, et sequuntur, cum h1, 78 00:05:13,900 --> 00:05:18,840 alius simplex electrix vocatur tag electrix qui deligit genera elementa 79 00:05:18,840 --> 00:05:21,200 sicut divs aut paragraphs. 80 00:05:21,200 --> 00:05:26,140 Spatium conjunxerit, nostri II simplex selectors, accomodantes omnes CSS declarationes 81 00:05:26,140 --> 00:05:32,560 et crispus adstringit ad h1 tags qui vivimus, intus est elementi in id = "expoliandum". 82 00:05:32,560 --> 00:05:38,290 Iustus ut tibi suadendum ut is officina, Peius mutare font color ad album, reficite, 83 00:05:38,290 --> 00:05:42,090 et ecce Rob scriptor caput capitis nunc est albus. 84 00:05:42,090 --> 00:05:47,510 >> Ex hoc omnes Procedebat opus ut ostendat quod per usura regulas pro inline styles 85 00:05:47,510 --> 00:05:50,510 Mauris multo mundius possumus. 86 00:05:50,510 --> 00:05:53,900 Etenim si, hoc genus obstructionum satus questus pauco ampla, 87 00:05:53,900 --> 00:05:58,340 Habeo etiam attrahendam autem genus ex in diversum file omnino. 88 00:05:58,340 --> 00:06:05,120 >> Ut comprehendo hoc novum lima ut CSS in hoc documento Peius 'iustus utor HTML scriptor nectunt tag. 89 00:06:05,120 --> 00:06:10,320 Hic ego Im indicaverit ut Im 'retorquentis in externa style sheet est, rel attributi, 90 00:06:10,320 --> 00:06:14,840 et specificantis iter ad file cum meis href attributum. 91 00:06:14,840 --> 00:06:20,290 Nunc mea HTML markup et CSS preparantur nicely in omnino separata lima, 92 00:06:20,290 --> 00:06:26,090 quod est fere semper via gravida malle cooperante HTML et consectetuer turpis. 93 00:06:26,090 --> 00:06:30,180 >> In casu miraris, simplices selectors includunt ID selectors 94 00:06:30,180 --> 00:06:33,100 et tag selectors sicut ones nos iustus vidit 95 00:06:33,100 --> 00:06:38,610 necnon classis selectors legisset elementa cum quoddam genus, 96 00:06:38,610 --> 00:06:44,000 attributum selectors legisset elementis per alia attributa quasi type = "radio" 97 00:06:44,000 --> 00:06:49,180 pro radio puga pyga inputs, et pseudoselectors quasi tabernus et focus 98 00:06:49,180 --> 00:06:55,260 pro specificantis text quando interactions Consimile mousing super elementum occurrunt. 99 00:06:55,260 --> 00:06:58,950 >> Commune combinators includunt whitespace enim omnes filii 100 00:06:58,950 --> 00:07:02,080 et commata ad distinguendum selectors. 101 00:07:02,080 --> 00:07:06,370 Eras aliis possit occurrere includunt sagittam pro dirige filios tantum, 102 00:07:06,370 --> 00:07:10,440 in tilde pro omnibus siblings quod fieri post ad elementum, 103 00:07:10,440 --> 00:07:16,010 et plus signum in I fratrem venit, quod statim post elementum. 104 00:07:16,010 --> 00:07:18,540 >> Discursa per haec selectors et combinators, 105 00:07:18,540 --> 00:07:22,910 etenim poteris effugere potest in data dilatare paginae 106 00:07:22,910 --> 00:07:25,050 et scribe CSS magis efficenter. 107 00:07:25,050 --> 00:07:28,370 Per iustus a iugo of lineas CSS me videtis typing hic, 108 00:07:28,370 --> 00:07:34,460 Cito hoc potest facere aliquid tale videatur. 109 00:07:34,460 --> 00:07:37,080 >> Im Joseph, et hoc est CS50. 110 00:07:37,080 --> 00:07:39,260 >> [CS50.TV] 111 00:07:39,260 --> 00:07:40,780 >> Uh, ubi incipiam? 112 00:07:40,780 --> 00:07:44,140 Faciamus quod sine - [ridet] okay. 113 00:07:44,140 --> 00:07:47,300 Add a - Dimitte me mutare tenorem. 114 00:07:50,580 --> 00:07:52,470 Ooh. Paenitet.