*{  
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: sans-serif;
}
body{
        background-image: url(../images/image.jpg);
        background-size: cover;
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-position: right;
    }
main{
        width: 100%;
        padding: 20px;
        margin: auto;
        margin-top: 150px;
    }
    
.contenedor__todo{
     width: 100%;
     max-width: 800px;
      margin: auto;
     position: relative;  
}
.caja__trasera{
     width: 100%;
     padding: 10px 20px;
     display: flex;
     justify-content: center; 
     backdrop-filter: blur(3px);
     background-color: rgba(123, 152, 180, 0.7);
}
.caja__trasera div{
     margin: 100px 40px;
     color: white;
     transition: all 500ms;
}
.caja__trasera div p,
.caja__trasera div button{
    margin-top: 30px;
}
.caja__trasera div h3{
    font-weight: 400;
    font-size: 26px;
}
.caja__trasera button{
    padding: 10px 40px;
    border: 1px solid #fff;
    background: transparent;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: white;
    outline: none;
    transition: all 400ms;
}
.caja__trasera button:hover{
    background: #fff;
    color: #46A2FD;
}
/*formularios*/

.contenedor__login-register{
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 380px;
    position: relative;
    top: -185px;
    left: 10px;
    transition: left 500ms cubic-bezier(0.175, 0.885, 0.320, 1.275);
   }
.contenedor__login-register form{
    width: 100%;
    padding: 62px 20px;
    background: #fff;
    position: absolute;
    border-radius: 20px;

}
.contenedor__login-register form h2{
    font-size: 30px;
    text-align: center;
    margin-bottom: 20px;
    color: #46A2FD;
}
.contenedor__login-register form input{
    width: 100%;
    margin-top: 20px;
    padding: 10px;
    border: none;
    background: #F2F2F2;
    font-size: 16px;
    outline: none;
}
.contenedor__login-register form button{
    padding: 10px 40px;
    margin-top: 40px;
    border: none;
    font-size: 14px;
    background: #46A2FD;
    color: white;
    cursor: pointer;
    outline: none;
}
.formulario__login{
    opacity: 1;
    display: black;
}
.formulario__register{
    display: none;
}
input[type=text],input[type=password]{
    padding: 10px;
    width: 380px;
}
input[type="submit"]{
    border: 0;
    background-color: #ED8824;
    padding: 10px 20px;
}
.error{
    background-color: #FF9185;
    font-size: 12px;
    padding: 10px;
}
.correcto{
    background-color: ·#A0DEA7;
    font-size: 12px;
    padding: 10px;
}

/*  TRABAJANDO EN EL RESPONSIVE*/
@media screen and (max-width: 850px){
    
    main{
        margin-top: 50px;
    }
    .caja__trasera{
        max-width: 350px;
        height: 300px;
        flex-direction: row;
        margin: auto;
    }
    .caja__trasera div{
        margin: 0px;
        position: absolute;
    }
    /*FORMULARIO*/

    .contenedor__login-register{
        top: -10px;
        left: -5px;
        margin: auto;
    }
    .contenedor__login-register form{
        position: relative;
    }
}