<!DOCTYPE html><html><head> <title>三级菜单demo</title> <meta charset=&...
309
//html: <div class="nav"> <ul class='onebox'> <li name=...
297
效果如下: <div class="nav"> <ul class='onebox'> <li name='...
267
盒子模型 <!DOCTYPE html> <html lang="en"> <head>  ...
335
<!DOCTYPE html><style> div:nth-child(1){ width: ...
308
<!DOCTYPE html><style> div:nth-child(1){ width: ...
267
//html: <body> <!-- nav --> <div class="nav"> <ul> <...
332
<html><head> <meta charset="UTF-8"> <style&...
299
<!DOCTYPE html><html lang="en"><head> <meta charset=&quo...
277
<!DOCTYPE html><html lang="en"><head> <meta charset=&quo...
294
<html><form> <input id="email" type="text"...
193
有类选择器,id选择器,标签选择器,子类选择器,父类选择器等 <style type="text/css"> &nb...
280
<!DOCTYPE html> <html lang="en"> <head> &nbs...
339
继续根据17173网站导航条的的下拉菜单进行模仿下拉菜单案例!结合两次作业,个人理解制作导航一定要提前有多规划,不光要规划好各盒子的宽度高度,更要对盒子的层级有清晰的定位!只有提前定位好层级,才能更好...
253
<!DOCTYPE html><html lang="en"><head> <meta charset=&quo...
206