body{
    background-color: #535680;
    padding: 500px;
    display:flex;
   box-sizing:border-box;
   justify-content: center;
   font-family:'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}

button{
    width:200px;
    height:100px;
    text-align: center;
}
#holamundo{
    color:rgb(13, 37, 57);
    background-color: aqua;

}

#hellovilag{
    color:blue;
    background-color: cadetblue;
}

#salvemundi{
    color:rgb(0, 255, 221);
    background-color: rgb(13, 37, 57);
}

p{
    text-align: center;
}