#text-h4{ 
    color:brown; 
    background-color: aquamarine;
}

#fundo{
    background-color:lightblue;
}
#paragrafo{
    margin: 30px 15px 20px 10px;
    color: red;
}
body{ 
    text-align: center;
    color:blue;
}

#divinput{
    margin-top: 20 px;
    margin-bottom:  10 px;
    color: brown;
}

#divfacebook{
    margin-top: 30px;
    margin-bottom: 15px;
    color: burlywood;
}
input{
    border: solid 2px rgb(40, 43, 231);
    border-radius: 7px;
    font-size: 20px;
}
#btcalcular{
font-size: 20px;
background-color: bisque;
}

#resultado{
    font-size: 20px;
    color: brown;
}

#indiceimc{
    font-size: 20px;
    color: brown;
}