摘要:
<!DOCTYPE html> <html> <head> <style> * { box-sizing: border-box; } .header, .footer { background-color: grey; color: white; padding: 15px; } .column 阅读全文
摘要:
<!DOCTYPE html> <html> <head> <style> ul { list-style-type: none; margin: 0; padding: 0; overflow: hidden; background-color: #333; } li { float: left; 阅读全文
摘要:
<!DOCTYPE html> <html> <style> p.dashed{border-style:dashed; border-width: 5px;} .solid {border-style: solid; border-width: 10px;border-color:red; tex 阅读全文