HTML CSS examples for CSS Widget:Panel
Pure css box
<html lang="en"> <head> <style> body {<!-- w ww . j a v a 2s . c om--> background: url(your image) no-repeat; background-size: cover; height: 100vh; } h1 { text-align: center; color: red; margin: 80px 0; } .box { width: 40%; margin: 0 auto; background: rgba(255,255,255,0.2); padding: 35px; border: 2px solid #fff; border-radius: 20px/50px; background-clip: padding-box; text-align: center; } .button { font-size: 1em; padding: 10px; color: #fff; border: 2px solid red; border-radius: 20px/50px; text-decoration: none; cursor: pointer; transition: all 0.3s ease-out; } .button:hover { background: red; } .overlay { position: fixed; top: 0; bottom: 0; left: 0; right: 0; background: rgba(0, 0, 0, 0.7); transition: opacity 500ms; visibility: hidden; opacity: 0; } .overlay:target { visibility: visible; opacity: 1; } .popup { margin: 70px auto; padding: 20px; background: #fff; border-radius: 5px; width: 30%; position: relative; transition: all 5s ease-in-out; } .popup h2 { margin-top: 0; color: #333; } .popup .close { position: absolute; top: 20px; right: 30px; transition: all 200ms; font-size: 30px; font-weight: bold; text-decoration: none; color: #333; } .popup .close:hover { color: red; } .popup .content { max-height: 30%; overflow: auto; } @media screen and (max-width: 700px){ .box{ width: 70%; } .popup{ width: 70%; } } </style> </head> <body translate="no"> <h1>header</h1> <div class="box"> <a class="button" href="#popup1">Let me Pop up</a> </div> <div id="popup1" class="overlay"> <div class="popup"> <h2>Here i am</h2> <a class="close" href="#">?</a> <div class="content"> test test test test test test test </div> </div> </div> </body> </html>