#contenido{
    display: flex;
    flex-direction: column;
    margin: auto;
    border: 5px solid;
    width: 40%;
    align-items: center;
    background: #797979;
}
#resultado{
    border: 5px solid;
    border-radius: 10px;
    background: white;
}
button{
    border: 3px black solid;
    border-radius: 5px;
    margin: 5px;
    width: 110px;
}
input{
    border: 3px black solid;
    border-radius: 5px;
    margin: 10px;
}
#botones{
    display: flex;
    flex-flow: row wrap;
    border: 5px black solid;
    width: 250px;
    padding: 10px;
    margin: 10px;
}
#limpiar{
    margin: auto;
}
body p{
    margin-left: auto;
    text-align: center;
}
a{
    text-decoration: none;
    font-size: 25px;
    color: white;
}
p{
    background: black;
    width: 10%;
    border-radius: 10px;
}
p:hover{
    background: #e32424;
    width: 10%;
    border-radius: 10px;
}