1 00:00:00,000 --> 00:00:00,310 2 00:00:00,310 --> 00:00:02,400 >> DAVID Malan: Kwa hiyo mimi tumekuwa kufanya yangu mwenyewe search engine, lakini mimi wameweza tu 3 00:00:02,400 --> 00:00:04,720 aliamua urekebishaji mambo chini ya kofia. 4 00:00:04,720 --> 00:00:06,480 Hebu tuangalie. 5 00:00:06,480 --> 00:00:11,240 Hapa katika HTML kwa hii ukurasa, taarifa kwamba mimi na sasa atop ukurasa nini 6 00:00:11,240 --> 00:00:15,390 inaonekana kuwa alama, logo.gif, na Nimekuwa aliyopewa ni Nakala mbadala ya 7 00:00:15,390 --> 00:00:18,620 CS50 Search, tu katika kesi ya mtu haina uwezo wa kuona picha hiyo. 8 00:00:18,620 --> 00:00:22,340 >> Lakini taarifa kwamba nimepata kuwekwa picha kwamba ndani ya div, na nimekuwa kwa ajili yake 9 00:00:22,340 --> 00:00:27,060 ID ya kipekee ya quote, unquote, "juu." Chini ya kwamba, nina div mwingine ambaye 10 00:00:27,060 --> 00:00:31,020 ID kipekee nimekuwa aliamua kuwa "katikati," lakini mimi nilikuwa kubainisha divs haya 11 00:00:31,020 --> 00:00:32,360 kama kitu chochote Ningependa. 12 00:00:32,360 --> 00:00:35,340 Na ndani ya hii "katikati" div, taarifa kwamba mimi na aina. 13 00:00:35,340 --> 00:00:40,080 Fomu kuwa ni inaonekana kwenda kuwasilisha kupitia HTTP kupata watumishi Google 14 00:00:40,080 --> 00:00:45,150 pembejeo zifuatazo, pembejeo ambao aina ni maandishi na ambaye jina lake ni q. 15 00:00:45,150 --> 00:00:48,520 Na kwamba kutokea kwa haraka kama user hits Enter au Clicks kifungo 16 00:00:48,520 --> 00:00:50,410 kinachoitwa CS50 Search. 17 00:00:50,410 --> 00:00:53,750 >> Sasa chini ya ukurasa, nina tatu na ya mwisho div ambao kipekee 18 00:00:53,750 --> 00:00:57,670 kitambulisho ni "chini." Ndani ya kwamba, Mimi na kutaja ya hati miliki, 19 00:00:57,670 --> 00:00:59,750 ikiwa ni pamoja na HTML chombo. 20 00:00:59,750 --> 00:01:06,230 Ni zinageuka kuwa © ni HTML chombo kwamba inawakilisha hati miliki 21 00:01:06,230 --> 00:01:08,410 ishara, ambayo zaidi uwezekano huna 22 00:01:08,410 --> 00:01:10,210 halisi muhimu kwenye keyboard yako. 23 00:01:10,210 --> 00:01:12,560 Baada ya hapo, mimi kutaja kwamba ni CS50 ya. 24 00:01:12,560 --> 00:01:17,090 >> Sasa juu, katikati, na chini zipo hivyo kwamba naweza kipekee kutambua juu, 25 00:01:17,090 --> 00:01:20,400 katikati, na chini ya ukurasa huu ili niweze stylize yao kila a 26 00:01:20,400 --> 00:01:21,370 tofauti kidogo. 27 00:01:21,370 --> 00:01:23,320 Na nimekuwa tayari kuchukuliwa uhuru wa kufanya hivyo. 28 00:01:23,320 --> 00:01:27,030 Up juu katika ukurasa wangu, nina style tag ndani ya ambayo ni baadhi CSS 29 00:01:27,030 --> 00:01:27,880 mali. 30 00:01:27,880 --> 00:01:28,980 Hebu tuangalie. 31 00:01:28,980 --> 00:01:33,450 >> Taarifa kwamba atop ukurasa huu, nimekuwa maalum kwamba chochote HTML tag ingekuwa 32 00:01:33,450 --> 00:01:37,350 na kitambulisho kipekee ya juu kama unahitajika kwa kuwa ishara mkali kabla ya 33 00:01:37,350 --> 00:01:41,320 yake, lazima na maandishi-align: kituo hicho; kama mali. 34 00:01:41,320 --> 00:01:45,000 Wakati huo huo, katikati ya ukurasa lazima vile vile kuwa katikati, lakini yeyote 35 00:01:45,000 --> 00:01:48,870 pembejeo katikati ya ukurasa lazima na 5 saizi ya nafasi nyeupe 36 00:01:48,870 --> 00:01:51,860 karibu nao, tu kuwapa mambo chumba kidogo zaidi. 37 00:01:51,860 --> 00:01:55,630 Wakati huo huo, chini ya ukurasa, Nimekuwa maalum kwamba maandishi yoyote lazima 38 00:01:55,630 --> 00:01:59,620 katika font ndogo, kwamba uzito wa alisema font lazima kuwa na ujasiri, ili 39 00:01:59,620 --> 00:02:03,800 margin karibu chini ya ukurasa lazima 20, saizi ya faili tu kuwapa 40 00:02:03,800 --> 00:02:06,270 kidogo ya kinga ya chumba kama vizuri, na kwamba maandishi yoyote 41 00:02:06,270 --> 00:02:08,190 humo lazima katikati. 42 00:02:08,190 --> 00:02:09,580 >> Nini kinaendelea kuwa athari wavu? 43 00:02:09,580 --> 00:02:11,620 Naam, hebu tuangalie katika browser. 44 00:02:11,620 --> 00:02:14,160 Kama mimi kwenda hapa kwa Chrome, voila. 45 00:02:14,160 --> 00:02:16,140 Sasa kwa kuwa ni mzuri search engine. 46 00:02:16,140 --> 00:02:18,539