html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

#album_cover {
    width: 100%;
    position: relative;
}

img { width: 100%; }

#current_song_info {
    position: absolute;
    width: 100%;
    bottom: 3px;
    opacity: 0.85;
    display: -webkit-flex;
    display: flex;
}

progress {
    background: blue;
    display: none;
}

#current_song {
    display: inline-block;
    width: 75%;
    background-color: #f0ffff;
    padding: 10px;
}

div {
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
}

#current_song_title {
    font-size: 25px;
    font-weight: bold;
}

#current_song_interpreter {
    opacity: 0.8;
}

#current_song_time {
    float: right;
    transform: translate(0%, -100%);
}

#play_btn {
    display: flex;
    -webkit-flex: 1;
            flex: 1;
    text-align: center;
    background-color: #a9a9a9;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
}

#album_info {
    margin: 3px;
    padding: 10px;
    border: 1px solid black;
    box-shadow: 5px 5px 20px -1px rgba(0,0,0,0.75);
}

#album_title {
    font-size: 25px;
    font-weight: bold;
}

#album_interpreter {
    font-size: 17px;
    color: lightblue;
    text-align: right;
}

body > div:nth-child(3) {
    margin-top: 12px;
}

.song_item {
    border-top: 2px solid lightgray;
    border-bottom: 2px solid lightgray;
    padding: 10px;
}

.song_title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 5px;
}

.song_interpreter {
    color: silver;
}

.song_duration {
    float: right;
    transform: translate(0%, -50%);
}