body {
    margin:0px;
    background-color: darkslateblue;
    color: white;
    text-align:center;
    font-family: "Source Sans Pro", sans-serif;
    font-size:10px
}
    
    button{
    background-color:rgb(34, 151, 34);
    border-radius: 8px;
    color: white;
    font-size: 3em;
}

 button:hover{
    background-color:limegreen;
}

 .nav{
    text-align:left;
    background-color: yellow;
    font-family: helvetica;
    font-weight: bolder;
    overflow: hidden;
    font-size: 2em;
    padding-top:1em;
    height: 3em;
    overflow-x: hidden;
}

 .nav a{
    text-align:center;
    padding: 2.2em;
    text-decoration: none;
    color: black;
}

.nav a:hover{
    background-color:#222222;
    color: white;
}

.active{
   // background-color:;
}

h1 {
    font-size: 30px;
    text-align: center;
    font-weight: normal;
}

#answer{
    font-weight: bold;
}

h3{
    font-weight: lighter;
}

a{

}

@media only screen and  (orientation : portrait) {
    body{
        font-size: 20px;
    }
}