@import url('https://fonts.googleapis.com/css2?family=Nunito&display=swap');*{box-sizing:border-box;}html{height:100%;}body{font-family:'Nunito', sans-serif;overflow:hidden;padding:0;margin:0;} a:not(.title){display:block;padding:10px;border-radius:5px;margin:2em;text-align:center;color:white;text-decoration:none;}.bel-btn{background:#007aeb;}.mail-btn{background:#77b11c;}.leenweb{width:250px;margin-left:auto;margin-right:auto;display:block;padding:1em 0;}.bg{animation:slide 3s ease-in-out infinite alternate;background-image:linear-gradient(-60deg, #007aeb 50%, #09f 50%);bottom:0;left:-50%;opacity:.5;position:fixed;right:-50%;top:0;z-index:-1;}.bg2{animation-direction:alternate-reverse;animation-duration:4s;}.bg3{animation-duration:5s;}.content{background-color:rgba(255,255,255,.8);border-radius:.25em;box-shadow:0 0 .25em rgba(0,0,0,.25);box-sizing:border-box;left:50%;padding:10vmin;position:fixed;text-align:center;top:50%;transform:translate(-50%, -50%);}@keyframes slide{0%{transform:translateX(-25%);} 100%{transform:translateX(25%);}}@media only screen and (max-width: 600px) {.content {width:100%}}