这是我在css控制字体属性所犯的一个错误，可以说是疏忽大意。
题目要求如图：
虽说这题很简单，但是我个人还是做错了，我个人。我先把我之前错误的html代码和正确的css打一遍
错误的1.html
<html><head><title>font</title><link rel="stylesheet" type="text/css" href="one.css"> <!--对css的引用这是外联css--></head><body><span class="s1">梁山英雄排行榜</span><br/><br/> <!--"<span></span>是行元素，而<p></p>是块元素"--><span class="s2">宋江</span><br/><br/> <!--class定义css的类别--><span class="s3">卢员外</span><br/><br/><span class="s4">吴用</p><br/><br/> <!--请注意</p>接下来就是我要讲的,错也错在</p>这--><span class="s3">豹子头</p><br/><br/><span class="s3">大刀关胜</span><br/><br/></body></html>
正确的one.css
.s1{ color:gold; font-size:30px;}.s2{ color:red; background-color:silver; font-style:italic;}.s3{ background-color:silver; }.s4{ background-color:silver; /*silver为银灰色*/ font-decoration:underline; /*decoration为修饰，underline为下划线*/ font-style:italic; /*字体样式为斜体*/} 结果与实际大相近庭如图：
我的非常不好的想法：首先我本来注意到
的，但是我先把它放在一边，先写完css再说，当写完css我便忘记了更改html中的标签了。后果:我们看到段落之间差距很大，都出现了下划线，我粗略看了下代码还是没发现
琢磨是不是优先级问题，但是走偏了跑题了，改css也不太对，问群里也没什么答案，甚至起类名连着父子选择器都来了，百度也没好结果，我反思了一阵子。后来:重看一遍html代码发现了
的问题，然后进行了一下总结究其原因(个人总结)：还是并没有将“吴用”“豹子头"给包起来虽然将"大刀关胜包起来"并没有什么用，因为问题的起始标签是从"吴用"这开始的到"大刀关胜"结束，也就是他们三者成了一个共同的整体，而后css的类名不一样就造成了优先级问题的冲突。个人觉得这有点像是内存溢出一样。而后我将"吴用"“豹子头”"大刀关胜"换成将其包起来
<html><head><title>font</title><link rel="stylesheet" type="text/css" href="one.css"> </head><body><span class="s1">梁山英雄排行榜</span><br/><br/> <span class="s2">宋江</span><br/><br/><span class="s3">卢员外</span><br/><br/><span class="s4">吴用</span><br/><br/> <span class="s3">豹子头</span><br/><br/><span class="s3">大刀关胜</span><br/><br/></body></html>
结果如图显示正常:
我把这图贴到这，方便观看，还有个练习二我把正确的html代码和遗漏的css也一起写一遍
2.html
<html><head><title>链接</title><style="text/css"> <!--内联css，不过css的注释是"/**/"-->a{ color:red; font-size:24px; font-decoration:none;}a:hover{ <!--hover为伪类定义鼠标悬停的--> font-decoration:underline; font-size:40px; color:green;}<head><body><a href="#">连接到百度<a></body></html> 你想一下代码哪里遗漏了和遗漏的代码是什么写的？最好不用百度或是文档，不要看下面的补充，先想一想比较好，我把我的经验和想法分享一下吧：我自己遗漏的我也百度了词条"css能定义字体的属性"，但是我事后一想css文档手册有的东西为什么百度呢？这样就显得自己很不专业。
完整的补充：
<html><head><title>链接</title><style="text/css"> a{ color:red; font-size:24px; font-family:"华文新魏"; font-decoration:none;}a:hover{ font-decoration:underline; font-size:40px; color:green; font-famliy:"宋体";}a:visited{color:gray;}<head><body><a href="#">连接到百度</a></body></html> 如图：
注：记得再次打开html此链接时，先清除浏览器缓存，不然效果和灰色的连接到百度一样的，刷新也没用。
个人归纳总结：遇到问题首先想的并不是解决问题，而是不要慌，不要马上去百度和问群里，即使解决了印象也不深，以后估计还是这样，那就不好了；我还是建议多看文档信息，先定位大致的位置然后再一个一个去查询。然后考虑它错误效果和报错因素，再仔细看一遍代码发现有遗漏和错误没有，要有逻辑性的思考问题；然后再解决问题。之后再总结一下，加强印象。
ps:
个人认为吧：百度是最好的答案，同时也是最差的，它少了自己思考的过程和只想一味的索取，最新的技术，是很少能够百度到的，百度也不是万能的，而万能的正是自己。
虽然我不是个编程大神，经过我的学习我认为是这样理解的：帮助人解决问题，还不如让他思考和分析问题的思路，知其然也所以然，授人以鱼不如授人以渔。
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