@font-face {
    font-family: 'icomoon';
    src:  url('../fonts/icomoon.eot?55xz08');
    src:  url('../fonts/icomoon.eot?55xz08#iefix') format('embedded-opentype'),
    url('../fonts/icomoon.ttf?55xz08') format('truetype'),
    url('../fonts/icomoon.woff?55xz08') format('woff'),
    url('../fonts/icomoon.svg?55xz08#icomoon') format('svg');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

[class^="icon-"], [class*=" icon-"] {
    /* use !important to prevent issues with browser extensions that change fonts */
    font-family: 'icomoon' !important;
    speak: never;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;

    /* Better Font Rendering =========== */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.icon-plus-square:before {
    content: "\e902";
}
.icon-minus-square:before {
    content: "\e900";
}
.icon-plus-circle:before {
    content: "\e901";
}

a {
    text-decoration: none;
    color: blue;
}

body {
    padding: 0;
    margin: 0;
}

.icon-plus-square {
    color: green;
}
.icon-minus-square {
    color: red;
}

table th,
table td {
    padding: 5px;
    text-align: center;
}

.main-nav {
    padding: 20px;
    background-color: #4caf50;
    display: flex;
    justify-content: center;
}

.main-nav__menu {
    margin: 0;
    padding: 0;

    display: flex;
    flex-direction: row;

    list-style: none;
}

.main-nav__menu-item {
    margin-right: 10px;
}

.main-nav__menu-item:last-child {
    margin: 0;
}

.main-nav__menu_item-link {
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
}

.main-nav__menu_item-link:hover {
    background-color: #fff;
    color: #4caf50;
}

h1 {
    text-align: center;
}

main {
    width: 1200px;
    margin: 0 auto;
}

form {
    margin-bottom: 0 !important;
}

.details {
    margin-top: 30px;
    background-color: #e7ebff;
    padding: 20px 10px;
}

.details form {
    margin-bottom: 15px;
}

.addSong {
    margin: 20px 0;
}