html{
    background-image: url(../images/senko-san.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}

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

a{
    text-decoration: none;
    color: black;
}

.caja{
    display: grid;
    place-items: center;
    margin-top: 4rem;
}

.contenedor{
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
}

.elemento1{
    padding: 1rem;
}

a:hover{
    color: orangered;
}