* {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
    font-family: 'Syne Mono', monospace;
}

body {
    background: rgb(80, 118, 133);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sub {
    text-decoration: underline;
}

h1 {
    font-size: 2rem;
    text-align: center;
    padding: 1vh;
}

h2 {
    font-size: 1.5rem;
    text-align: center;
    padding: 1vh;
}

li {
    width: 80%;
    margin-left: 13%;
    font-size: 1.5rem;
    padding: 1vh;
}


#imagenPpt {
    max-width: 80%;
    margin: 0% 20%;
    padding: 1vh;
    border-radius: 5vh;
}

#btn-comenzar, #btn-jugar {
    margin: 1vh;
    text-align: center;
    font-size: 2rem;
    padding: 1vh;
    border-radius: 3vw;
    color: rgb(255, 255, 255);
    background-color: rgb(0, 0, 0);
}
#btn-comenzar:hover, #btn-jugar:hover{
    color: rgb(0, 0, 0);
    background-color: rgb(255, 255, 255);
    cursor: pointer; 
}


.contenedor{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    margin: 2vh 0vw;
}

.opciones{
    margin: 2vh 1vw;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    border-radius: 5vh;
    font-size: 3rem;
    min-width: 25vw;
    min-height: 25vh;
    color: rgb(0, 0, 0);
    background-color: rgb(255, 255, 255);
}
.opciones:hover{
    color: rgb(255, 255, 255);
    background-color: rgb(0, 0, 0);
    cursor: pointer; 
}

.hide{
    display: none;
}

@media (max-width: 650px) {
    .contenedor{
        flex-flow: column wrap;
        justify-content: space-around;
        margin: 2vh 0vw;
    }    
}

@media (max-width: 550px) {
    #boton {
        border-radius: 1rem;
        width: 100%;
        margin: 0%;
    }
}

@media (min-width: 1024px) {
    #boton {
        border-radius: 1rem;
        width: 20%;
        margin-left: 40%;
    }
}

@media (min-width: 1850px) {
    #boton {
        border-radius: 1rem;
        width: 10%;
        margin-left: 45%;
    }
}