摘要: 先说什么是javajava是一种面向对象语言,真正的面向对象,任何函数和变量都以类(class)封装起来至于什么是对象什么是类,我就不废话了关于这两个概念的解释任何一本面向对象语言的教材里面都有知道了什么是java,那自然就会对java能干什么感兴趣在说java能做什... 阅读全文
posted @ 2018-12-03 19:29 strawqqhat 阅读(168) 评论(0) 推荐(0)
#home h1{ font-size:45px; } body{ background-image: url("放你的背景图链接"); background-position: initial; background-size: cover; background-repeat: no-repeat; background-attachment: fixed; background-origin: initial; background-clip: initial; height:100%; width:100%; } #home{ opacity:0.7; } .wall{ position: fixed; top: 0; left: 0; bottom: 0; right: 0; } div#midground{ background: url("https://i.postimg.cc/PP5GtGtM/midground.png"); z-index: -1; -webkit-animation: cc 200s linear infinite; -moz-animation: cc 200s linear infinite; -o-animation: cc 200s linear infinite; animation: cc 200s linear infinite; } div#foreground{ background: url("https://i.postimg.cc/z3jZZD1B/foreground.png"); z-index: -2; -webkit-animation: cc 253s linear infinite; -o-animation: cc 253s linear infinite; -moz-animation: cc 253s linear infinite; animation: cc 253s linear infinite; } div#top{ background: url("https://i.postimg.cc/PP5GtGtM/midground.png"); z-index: -4; -webkit-animation: da 200s linear infinite; -o-animation: da 200s linear infinite; animation: da 200s linear infinite; } @-webkit-keyframes cc { from{ background-position: 0 0; transform: translateY(10px); } to{ background-position: 600% 0; } } @-o-keyframes cc { from{ background-position: 0 0; transform: translateY(10px); } to{ background-position: 600% 0; } } @-moz-keyframes cc { from{ background-position: 0 0; transform: translateY(10px); } to{ background-position: 600% 0; } } @keyframes cc { 0%{ background-position: 0 0; } 100%{ background-position: 600% 0; } } @keyframes da { 0%{ background-position: 0 0; } 100%{ background-position: 0 600%; } } @-webkit-keyframes da { 0%{ background-position: 0 0; } 100%{ background-position: 0 600%; } } @-moz-keyframes da { 0%{ background-position: 0 0; } 100%{ background-position: 0 600%; } } @-ms-keyframes da { 0%{ background-position: 0 0; } 100%{ background-position: 0 600%; } }