html, body, main{
    margin:0;
    padding:0;
}
header{
    font-size:48px;
    font-weight:400;
    font-family: 'Modak', cursive;
    text-align:center;
    height:10vh;
    box-shadow: 0 0 8px 0 rgba(0, 0, 0, 0.2), 0 0 20px 0 rgba(0, 0, 0, 0.2);
}
button{
    font-size:32px;
    font-weight:500;
    text-align:center;
    cursor:pointer;
    width:10vw;
    margin:4px;
    padding:8px;
    font-family: 'Concert One', cursive;
    color:#fff;
    background-color:#000;
    border-radius:1.5rem;
    border:none;
}
button:focus{
    outline:0;
}
span{
    font-size:20px;
    font-family: 'Patua One', cursive;
    color:#000;
}
main{
    height:90vh;
    width:100vw;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-direction:column;

}