|  |  | 
 |  |  | <!doctype html> | 
 |  |  | <html lang="en"> | 
 |  |  | <head> | 
 |  |  |   <meta charset="utf-8"> | 
 |  |  |   <title>ScreenFrontend</title> | 
 |  |  |   <base href="/"> | 
 |  |  | <html> | 
 |  |  |  | 
 |  |  |   <meta name="viewport" content="width=device-width, initial-scale=1"> | 
 |  |  |   <link rel="icon" type="image/x-icon" href="favicon.ico"> | 
 |  |  | <head> | 
 |  |  |     <meta charset="utf-8"> | 
 |  |  |     <title>七星瓢虫环境监测</title> | 
 |  |  |     <base href="/"> | 
 |  |  |     <meta name="viewport" content="width=device-width, initial-scale=1"> | 
 |  |  |     <meta http-equiv="x-ua-compatible" content="ie=edge"> | 
 |  |  |     <link rel="icon" type="image/x-icon" href="favicon.ico"> | 
 |  |  |     <!-- Apple Touch Icon --> | 
 |  |  |     <!-- <link rel="apple-touch-icon" href="custom-icon.png"> --> | 
 |  |  |     <style type="text/css"> | 
 |  |  |         .preloader { | 
 |  |  |             position: fixed; | 
 |  |  |             top: 0; | 
 |  |  |             left: 0; | 
 |  |  |             width: 100%; | 
 |  |  |             height: 100%; | 
 |  |  |             overflow: hidden; | 
 |  |  |             background: #49a9ee; | 
 |  |  |             z-index: 9999; | 
 |  |  |             transition: opacity 0.65s; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .preloader-hidden-add { | 
 |  |  |             opacity: 1; | 
 |  |  |             display: block; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .preloader-hidden-add-active { | 
 |  |  |             opacity: 0; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .preloader-hidden { | 
 |  |  |             display: none; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .cs-loader { | 
 |  |  |             position: absolute; | 
 |  |  |             top: 0; | 
 |  |  |             left: 0; | 
 |  |  |             height: 100%; | 
 |  |  |             width: 100%; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .cs-loader-inner { | 
 |  |  |             transform: translateY(-50%); | 
 |  |  |             top: 50%; | 
 |  |  |             position: absolute; | 
 |  |  |             width: 100%; | 
 |  |  |             color: #fff; | 
 |  |  |             text-align: center; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .cs-loader-inner label { | 
 |  |  |             font-size: 20px; | 
 |  |  |             opacity: 0; | 
 |  |  |             display: inline-block; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         @keyframes lol { | 
 |  |  |             0% { | 
 |  |  |                 opacity: 0; | 
 |  |  |                 transform: translateX(-300px); | 
 |  |  |             } | 
 |  |  |             33% { | 
 |  |  |                 opacity: 1; | 
 |  |  |                 transform: translateX(0); | 
 |  |  |             } | 
 |  |  |             66% { | 
 |  |  |                 opacity: 1; | 
 |  |  |                 transform: translateX(0); | 
 |  |  |             } | 
 |  |  |             100% { | 
 |  |  |                 opacity: 0; | 
 |  |  |                 transform: translateX(300px); | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .cs-loader-inner label:nth-child(6) { | 
 |  |  |             animation: lol 3s infinite ease-in-out; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .cs-loader-inner label:nth-child(5) { | 
 |  |  |             animation: lol 3s .1s infinite ease-in-out; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .cs-loader-inner label:nth-child(4) { | 
 |  |  |             animation: lol 3s .2s infinite ease-in-out; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .cs-loader-inner label:nth-child(3) { | 
 |  |  |             animation: lol 3s .3s infinite ease-in-out; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .cs-loader-inner label:nth-child(2) { | 
 |  |  |             animation: lol 3s .4s infinite ease-in-out; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         .cs-loader-inner label:nth-child(1) { | 
 |  |  |             animation: lol 3s .5s infinite ease-in-out; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |     </style> | 
 |  |  | </head> | 
 |  |  |  | 
 |  |  | <body> | 
 |  |  |   <app-root></app-root> | 
 |  |  |     <app-root></app-root> | 
 |  |  |     <div class="preloader"> | 
 |  |  |         <div class="cs-loader"> | 
 |  |  |             <div class="cs-loader-inner"> | 
 |  |  |                 <label> ●</label> | 
 |  |  |                 <label> ●</label> | 
 |  |  |                 <label> ●</label> | 
 |  |  |                 <label> ●</label> | 
 |  |  |                 <label> ●</label> | 
 |  |  |                 <label> ●</label> | 
 |  |  |             </div> | 
 |  |  |         </div> | 
 |  |  |     </div> | 
 |  |  | </body> | 
 |  |  |  | 
 |  |  | </html> |