body {
    position: absolute;
    top: 0px;
    bottom: 0px;
    left: 0px;
    right: 0px;
    background-color: #263238 !important;
}

.main-container {
    max-width: 600px;
    max-height: 544px;
    border-radius: 2px;
    box-shadow: 0px 4px 5px 0px rgba(0, 0, 0, 0.14), 0px 2px 9px 1px rgba(0, 0, 0, 0.12), 0px 4px 2px -2px rgba(0, 0, 0, 0.2);
    width: 100%;
    height: 100%;
    background: #37474F none no-repeat scroll center center;
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-content: space-between;
    align-items: center;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}

#frequency {
    color: #F39731;
}

.note-name {
    background-color: #B0BEC5;
    width: 132px;;
    height: 132px;
    border-radius: 65px;
    line-height: 42px;
    font-size: 44px;
    box-shadow: 0px 4px 5px 0px rgba(0, 0, 0, 0.14), 0px 2px 9px 1px rgba(0, 0, 0, 0.12), 0px 4px 2px -2px rgba(0, 0, 0, 0.2);
}

#note-name {
    color: #FFFFFF;
    margin: 0px;
    width: 100%;
}

#note-tone {
    color: #FFFFFF;
    margin: 0px;
    float: right;
    position: absolute;
    transform: translateX(5px) translateY(-7px);
    font-size: 24px;
}

#note-type {
    height: 40px;
    padding-top: 10px;
    padding-bottom: 10px;
}