:root{--primary: #fff;--bg-color: rgb(5, 53, 61);--bg-envelope-color: #f5edd1;--envelope-tab: #ecdeb8;--envelope-cover: #e6cfa7;--shadow-color: rgba(0, 0, 0, .2);--txt-color: #444;--heart-color: rgb(252, 8, 231)}body{margin:0;padding:0;box-sizing:border-box;background:var(--bg-color);display:flex;align-items:center;justify-content:center}.container{height:100vh;display:grid;place-items:center}.container>.envelope-wrapper{background:var(--bg-envelope-color);box-shadow:0 0 40px var(--shadow-color)}.envelope-wrapper>.envelope{position:relative;width:300px;height:230px}.envelope-wrapper>.envelope:before{content:"";position:absolute;top:0;z-index:2;border-top:130px solid var(--envelope-tab);border-right:150px solid transparent;border-left:150px solid transparent;transform-origin:top;transition:all .5s ease-in-out .7s}.envelope-wrapper>.envelope:after{content:"";position:absolute;z-index:2;width:0px;height:0px;border-top:130px solid transparent;border-right:150px solid var(--envelope-cover);border-bottom:100px solid var(--envelope-cover);border-left:150px solid var(--envelope-cover)}.envelope>.letter{position:absolute;right:20%;bottom:0;width:54%;height:80%;background:var(--primary);text-align:center;transition:all 1s ease-in-out;box-shadow:0 0 5px var(--shadow-color);padding:20px 10px}.envelope>.letter>.text{font-family:Gill Sans,Gill Sans MT,Calibri,Trebuchet MS,sans-serif;color:var(--txt-color);text-align:left;font-size:8px}.heart{position:absolute;top:50%;left:50%;width:15px;height:15px;background:var(--heart-color);z-index:4;transform:translate(-50%,-20%) rotate(45deg);transition:transform .5s ease-in-out 1s;box-shadow:0 1px 6px var(--shadow-color);cursor:pointer}.heart:before,.heart:after{content:"";position:absolute;width:15px;height:15px;background-color:var(--heart-color);border-radius:50%}.heart:before{top:-7.5px}.heart:after{right:7.5px}.flap>.envelope:before{transform:rotateX(180deg);z-index:0}.flap>.envelope>.letter{bottom:100px;transform:scale(1.5);transition-delay:1s}.flap>.heart{transform:rotate(90deg);transition-delay:.4s}.loader{position:fixed;top:0;left:0;width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;background:#000;color:#fff;text-transform:uppercase;font-family:Rubik Glitch,system-ui;font-weight:300;font-style:normal;font-size:60px}.loader-container{display:flex;align-items:center;gap:2px}.loader-container p{max-width:500px}.loader-container h1{position:absolute;bottom:0;font-size:20px}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}