body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;   
}

header{
    padding-top: 7%;
    padding-left: 2%;
    padding-right: 2%;
}

/* Fondo */
.fondo_app {
    background-color: #006400;
    background-image: url('../img/fondo_app.png');
    background-size: cover;
    background-repeat: no-repeat;
    width: 100%;
    min-height: 100vh;
    height: auto;    
    align-items: center; 
    justify-content: center;
}

#contenedor{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

#segunda-seccion {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        overflow-y: visible;
        min-height: 100%;        
}

#numeros_ruleta {
    margin: 20px 0;
    font-size: 1.2em;
}

/*Boton de generar*/
#generar-numero {
    display: flex;
    justify-content: center; 
    width: 70%; 
    margin: 0 auto; 
    padding: 10px 20px;
    font-size: 1.3em;
    cursor: pointer;
    color: white;
    border: 5px solid rgb(0, 0, 0);
    border-radius: 5px;
    background-color: #4b0064;
    box-shadow: 0 0 25px #bf00ffe5;    
}

#generar-numero:active,
#generar-numero:focus{
    transform: scale(0.95);
    box-shadow: 0 0 15px #bf00ffe5,
                0 0 25px #bf00ffe5,
                0 0 50px #bf00ffe5;
}

/* numero principal*/
#color-numero {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    margin: 0 auto;
    padding: 5px 10px;
    border-radius: 5px;
    background-color: #000000;
    color: #ffffff;
    font-weight: bold;
    font-size: 20px;
    border: 4px solid white;
    transition: background-color 0.3s ease;
}

.recuadro {
    display: flex; 
    justify-content: center; 
    align-items: center; 
    color: #ffffff;
    padding: 10px; 
    width: 80%;
    margin: 5px auto; 
}

.recuadro span {
    display: inline-flex; 
    justify-content: center;
    align-items: center; 
    width: 60%;
    height: 35px;
    border: 3px solid white;
    border-radius: 10px;
    background-color: #313131;
}