#j_key {
    background-color: lightsteelblue
}

#j_shape {
    background-color: gold;
}

#main {
    margin-top: 25px;
}

#b_tryagain {
    margin-top: 25px;
}

#mynavbar {
    font-size: 1.33em;
    color: red;
}

.accidental {
    font-size: .75em;
}

#c_song {
    background-color: darkgreen;
    color: white;
}

#h_song {
    font-weight: bold;
    font-size: 2em;
}

.glow {
    font-size: 70px;
    color: #ffffff;
    text-align: center;
    -webkit-animation: glow 1s ease-in-out infinite alternate;
    -moz-animation: glow 1s ease-in-out infinite alternate;
    animation: glow 1s ease-in-out infinite alternate;
}