html body{margin:0;padding:0;height:100%;box-sizing:border-box}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;display:flex;flex-direction:column;height:100vh}.language{display:flex;background:lightskyblue;cursor:pointer;justify-content:flex-end;padding:0 32px}.language div{margin:8px}.head{display:flex;background:#8096F5;margin:0;align-items:center;justify-content:space-between;padding:16px 32px;color:#fff;font-size:large}.head .logo{display:flex;align-items:center;font-size:x-large}.head .logo img{height:64px;margin:0 16px}.head ul{list-style-type:none;display:flex;margin:0;padding:0}.head ul li{margin:16px;cursor:pointer}.menu{list-style-type:none;border:solid 1px lightgray;margin:0}.menu li{text-align:left;margin:8px;font-size:large;cursor:pointer}.containt{flex:1;overflow-y:scroll}.containt h1{margin-top:64px}.containt p{font-size:large}.main-page{background-color:#87cefa;padding:128px;display:flex;align-items:center;justify-content:space-evenly;font-size:xx-large}.main-page img{height:60vh}.main-page-mobile{background-color:#87cefa;padding:64px 16px;display:flex;flex-direction:column;align-items:center;justify-content:space-evenly;font-size:x-large}.main-page-mobile img{height:60vh;margin-top:2rem;margin-bottom:10vh}.image-background{width:300px;height:200px;background-image:url(path_to_image.jpg);background-size:cover;background-position:center}.app-introduction{display:flex;align-items:center;justify-content:center}.app-introduction img{height:50vh;border:solid 1px lightgray;margin:16px}.app-introduction ul{align-self:flex-start}.app-introduction li{text-align:left;font-size:large;margin:16px}.company-introduction{display:flex;flex-direction:column;align-items:center;padding:0 32px}.company-introduction p{text-indent:2em;font-size:large;text-align:left}.contact-us{margin:16px;display:flex;flex-direction:column;align-items:center}.contact-us .info{display:flex;flex-direction:column;align-items:flex-start}.tail{margin:32px}