body {
  margin: 0;
  font-family: sans-serif;
  background-image: url(img/fondomundofisica.jpeg);
}

header{
    width: 100%;
    background:#6e3544;
}

#btn-menu {
   display: none;
}

.form-registro {
    width: 400px;
    padding: 30px;
    background: lightgray;
    margin:auto;
    margin-top: 100px;
    border-radius: 4px;
    font-family: 'calibri';
    color: black;
    box-shadow: 7px 13px 37px #000;
}


header label {
    display: none;
    width: 30px;
    height: 30px;
    padding: 10px;
    border-right: 1px solid #fff;
}

header label:hover {
    cursor: pointer;
    background: rgba(0,0,0,0.3);
}

.menu ul{
    margin: 0;
    list-style: none;
    padding: 0;
    display: flex;
}

#Bloque_1 {
   background: lightgreen;
   border 34px;
}

#Bloque_2 {
   background: LightBlue;
   border 34px;
}


#Registro{
    position: relative;
    background: lightgray;
    left: 430px;
    padding: 30px;
    width: 340px;   
}

#Registro2{
    position: relative;
    background: lightgray; 
    padding: 30px;
    width: 340px;   
}

#Login {
    position: relative;
    background: lightgray;
    left: 430px;
    padding: 30px;
    width: 340px;   
}

#Login2 {
    position: relative;
    background: lightgray;
    padding: 30px;
    width: 340px;   
}

#Text {
    position: relative;
}

#Text_2 {
    position: relative;
    left: 10px;
}

#Imagen_1 {
    position: relative;
    left: 790px;
}

#next {
    background: yellow;
}

#next2{
    background: yellow;
}

#Mucho_Texto{
    position: relative;
    left:300px;
    top:-225px;
}


#Mucho_Texto2{
    position: relative;
    left:300px;
    top:-243px;
}

#Mucho_Texto3{
    position: relative;
    left:300px;
    top:-260px;
}

#Mucho_Texto4{
    position: relative;
    left:300px;
    top:-278px;
}

#Mucho_Texto5{
    position: relative;
    left:300px;
    top:-295px;
}

#Mucho_Texto6{
    position: relative;
    left:300px;
    top:-312px;
}

#Mucho_Texto7{
    position: relative;
    left:300px;
    top:-330px;
}

#Mucho_Texto8{
    position: relative;
    left:300px;
    top:-345px;
}

#Nuevo_Texto{
    position: relative;
    top:-350px;
}

#Nuevo_Texto2{
    position: relative;
    top:-350px;
}

#Nuevo_Texto3{
    position: relative;
    top:-350px;
}

#Nuevo_Texto4{
    position: relative;
    top:-350px;
}

#Imagen_Nueva{
    position: relative;
    right:-850px;
    top:-350px;
}

#Imagen-Tension{
    position: relative;
    top:-500px;
}

#animated{
    position: relative;
    right: -978px;
    top: -30px;
}

#texto-presion{
    position: relative;
    top:-240px;
}

#texto-presion2{
    position: relative;
    top:-255px;
}

#titulo{
    position: relative;
    top:-460px;
    right:-260px;
}

#texto-presion3{
    position: relative;
    top:-271px;
}

#Formula{
    position: relative;
    top:-280px;
}

#Lista1{
    position: relative;
    top:-460px;
    right:-235px;
}

#Lista1_1{
    position: relative;
    top:-680px;
    right:-271px;
}

#Lista1_2{
    position: relative;
    top:-698px;
    right:-271px;
}

#Lista2{
    position: relative;
    top:-385px;
    left:-35px;
}

#Lista3{
    position: relative;
    top:-385px;
    left:-35px;
}

#Lista4{
    position: relative;
    top:-385px;
    left:-35px;
}

#back {
  background: #6e3544;
  position: relative;
  align-items: center;
}

#pascal2{
    position: relative;
    top:-300px;
    right:-325px;
}

#pascal3{
    position: relative;
    top:-320px;
    right:-325px;
}

#pascal4{
    position: relative;
    top:-320px;
    right:-305px;
}

#pascal5{
    position: relative;
    top:-380px;
    right:-344px;
}

#pascal6{
    position: relative;
    top:-380px;
    right:-344px;
}

#pascal7{
    position: relative;
    top:-255px;
}

#pascal8{
    position: relative;
    top:-165px;
}

#imagen_pascal{
    position: relative;
    top:-260px;
}


#back2{
    background: yellow;
}

#back3{
    background: yellow;
}

#next3{
    background: yellow;
}

#formulas{
    background: lightgray;
    position: relative;
}

.menu li{
    border right: 1px solid #fff;
}

.menu li:hover{
    background: rgba(0,0,0,0.3);
}

.menu li a{
    display: block;
    padding: 15px 20px;
    color:#fff;
    text-decoration: none;
}

main{
    padding: 20px;
}

@media (max-width:9999px){
    
    header label{
        display: block;
    }
    
    .menu {
       position: absolute;
       background:#6e3544;
       width:70%;
       margin-left:-70%;
       transition: all 0.5s;
    }
    
    .menu ul{
        flex-direction: column;
    }
    
    .menu li{
     border-top: 1px solid #fff;;
    }
    
    #btn-menu:checked ~ .menu {
       margin: 0; 
    }
}

html {
    background:radial-gradient(white, lightgray 107%, white 100%);
    background-size: 1px 2px;
}



.content-all{
    width: 210px;
    margin: auto;
    perspective: 800px;
    position: relative;
    margin-top:50px;
}

.content-carrousel{
    width: 101%;
    position: absolute;
    animation: rotar 10s infinite linear;
    transform-style: preserve-3d;
}

.content-carrousel:hover{
    animation-play-state: paused;
    cursor: pointer;
}


.content-carrousel figure{
    width: 100%;
    height: 120px;
    overflow: hidden;
    position: absolute;
    box-shadow: 0px 0px 20px 0px black;
    transition: all 300ms;
    
}

.content-carrousel figure:hover{
    box-shadow: 0px 0px 0px 0px black;
    transition: all 300ms;
}

.content-carrousel figure:nth-child(1){transform: rotateY(0deg) translateZ(300px);}
.content-carrousel figure:nth-child(2){transform: rotateY(40deg) translateZ(300px);}
.content-carrousel figure:nth-child(3){transform: rotateY(80deg) translateZ(300px);}
.content-carrousel figure:nth-child(4){transform: rotateY(120deg) translateZ(300px);}
.content-carrousel figure:nth-child(5){transform: rotateY(160deg) translateZ(300px);}
.content-carrousel figure:nth-child(6){transform: rotateY(200deg) translateZ(300px);}
.content-carrousel figure:nth-child(7){transform: rotateY(240deg) translateZ(300px);}
.content-carrousel figure:nth-child(8){transform: rotateY(280deg) translateZ(300px);}
.content-carrousel figure:nth-child(9){transform: rotateY(320deg) translateZ(300px);}
.content-carrousel figure:nth-child(10){transform: rotateY(360deg) translateZ(300px);}

.content-carrousel img{
    width: 100%;
    transition: all 300ms;
}

.content-carrousel img:hover{
    transform: scale(1.2);
    transition: all 300ms;
}


@keyframes rotar{
    from{
        transform: rotateY(0deg);
    }to{
        transform: rotateY(360deg);
    }
}

Square {
    height: 150px;
    background: #000;  
}