*,*:after,*:before{box-sizing:border-box;margin:0;padding:0}body{justify-content:center;font-family:Roboto,sans-serif;overflow:hidden}:root{--black: #131313;--white: #e3e3e3;--text-color: #333;--link-color: #007bff;--link-color-hover: #0056b3}.absolute{position:absolute}.flex{display:flex}.align-center{align-items:center}.videoIntro{display:none}#language-selector{width:5rem}#play.visible{opacity:1}header{position:absolute}@media screen and (max-width:767px){.indications{top:90%;left:35%;font-size:1rem;font-family:Roboto,sans-serif;color:#fff;text-align:center;position:absolute}header{display:flex;align-items:center;width:100%;margin-top:1.5rem}.btnSuite{font-size:1rem;background-color:var(--white);color:var(--black);padding:10px 20px;border-radius:50px;transition-duration:.4s;position:absolute;top:90%;left:45%;transform:translate(-20%,-20%);border:solid .02px}.btnSuite a{text-decoration:none;color:var(--black)}.logo{width:5rem;height:auto;margin-left:15%;margin-top:15%}.sidenav{height:100%;width:100%;position:fixed;z-index:1;top:0;left:-100%;background-color:#050424;padding-top:60px;transition:left .5s ease;right:80%}.sidenav a{padding:8px 8px 8px 32px;text-decoration:none;font-size:25px;color:#d5d5d5;display:block;transition:.3s;font-size:2rem}.sidenav a:hover{color:#ececec}.sidenav ul{display:grid;justify-content:center;align-items:center;list-style-type:none;padding:3rem;margin-top:10rem}ul li{display:grid;margin-bottom:2rem;align-items:center}.sidenav.active{left:0}.sidenav .close{position:absolute;top:0;right:5%;font-size:36px;font-size:5rem}.openBtn{position:absolute;right:10%}.burger-icon span{display:block;width:35px;height:5px;background-color:#d8d8d8;margin:6px 0}.imgEinstein{width:10rem;position:absolute}.audioBtn{color:var(--black);background-color:var(--white);padding:8px 10px;border-radius:50px;border:solid .02px;position:absolute;top:10%;right:3%}video{width:100%;height:100%;object-fit:cover;margin-bottom:0}.boutonRetour{position:absolute;top:5%;left:5%;background-color:#9d9d9d27;border-radius:15px;padding:1rem 2rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);cursor:pointer;z-index:3}.logo{width:6rem;height:auto;margin-left:15%;margin-top:15%}}@media screen and (min-width:768px) and (max-width:1023px){#play{top:50%;right:50%;transform:translate(50%,-50%)}header{display:flex;align-items:center;width:90%;margin-top:1.5rem}.openBtn{position:absolute;right:5%}.audioBtn{color:var(--black);background-color:var(--white);padding:8px 10px;border-radius:50px;border:solid .02px;position:absolute;top:90%;left:3%}.boutonRetour{position:absolute;text-decoration:none;top:12%;right:5%;background-color:#eee;border-radius:15px;padding:1rem 2rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);cursor:pointer;color:#000}.boutonRetour:hover{background-color:#050424;color:#fff}.sidenav{height:100%;width:100%;position:fixed;z-index:1;top:0;left:-100%;background-color:#050424;padding-top:60px;transition:left .5s ease;right:80%}.sidenav a{padding:8px 8px 8px 32px;text-decoration:none;font-size:25px;color:#d5d5d5;display:block;transition:.3s;font-size:2rem}.sidenav a:hover{color:#ececec}.sidenav ul{display:grid;justify-content:center;align-items:center;list-style-type:none;padding:3rem;margin-top:10rem}ul li{display:grid;margin-bottom:2rem;align-items:center}.sidenav.active{left:0}.sidenav .close{position:absolute;top:0;right:5%;font-size:36px;font-size:5rem}.burger-icon{height:8px;margin-top:55%}.burger-icon span{display:block;width:35px;height:4px;background-color:#fff;margin:6px 0}.logo{width:18rem;height:auto;margin-left:15%;margin-top:15%}.blocIndications{display:flex;top:90%;justify-content:center;position:absolute;width:100%}.videoAspiration{display:none}.indications{font-size:1rem;color:#000;position:absolute;background-color:#ffffff93;padding:12px 20px;justify-content:center}}@media screen and (min-width:1024px){.logo{width:8rem}#play{top:50%;right:50%;transform:translate(50%,-50%)}.blocIndications{display:flex;top:90%;justify-content:center;position:absolute;width:100%}.videoAspiration{display:none}.indications{font-size:1rem;color:#000;position:absolute;background-color:#ffffff93;padding:12px 20px;justify-content:center}.audioBtn{color:var(--black);background-color:var(--white);padding:8px 10px;border-radius:50px;border:solid .02px;position:absolute;top:90%;left:3%}.boutonRetour{position:absolute;text-decoration:none;top:12%;right:5%;background-color:#eee;border-radius:15px;padding:1rem 2rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);cursor:pointer;color:#010102}.boutonRetour:hover{background-color:#050424;color:#fff;border:solid .02px rgb(228,228,228)}.sidenav{height:100%;width:100%;position:fixed;z-index:1;top:0;left:-100%;background-color:#050424;padding-top:60px;transition:left .5s ease;right:80%}.sidenav a{padding:8px 8px 8px 32px;text-decoration:none;font-size:25px;color:#d5d5d5;display:block;transition:.3s;font-size:2rem}.sidenav a:hover{color:#ececec}.sidenav ul{display:grid;justify-content:center;align-items:center;list-style-type:none;padding:3rem;margin-top:10rem}ul li{display:grid;margin-bottom:2rem;justify-content:center;align-items:center}.sidenav.active{left:0}.sidenav .close{position:absolute;top:0;right:5%;font-size:36px;font-size:5rem}.openBtn{position:absolute;right:10%}.burger-icon span{display:block;width:35px;height:5px;background-color:#d8d8d8;margin:6px 0}header{display:flex;align-items:center;width:105%;margin-top:1.5rem}.logo{width:10rem;height:auto;margin-left:15%;margin-top:15%}.popup-container{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background-color:#05081a;border-radius:10px;border:solid .02px;color:#fff;padding:4rem;text-align:center}.title{font-size:1.5rem;color:#e1dfdf;margin-bottom:4rem}.buttonPopup{margin:10px;padding:1rem 2rem;border-radius:50px;cursor:pointer;border:solid .02px rgb(233,233,233)}.buttonPopup:hover{transform:scale(1.1);background-color:#05081a;color:#e9e9e9;border:solid .02px rgb(233,233,233)}.chapterProgress{position:relative;display:grid;top:30%}}