.coords {
    align-items: center;
    justify-content: center;
    margin-top: 50px;
}

p {
    margin-bottom: 0;
}

.a {
    color: #00bc8c;
    text-decoration: none;
    background-color: transparent;
    cursor: pointer;
}

.a:hover {
    color: #007053;
    text-decoration: underline;
}

.collapse, .collapsing {
    background: #181818;
    border-radius: 5px;
    padding: 5px;
}

.collapse .collapse, .collapse .collapsing, .collapsing .collapse {
    background: #111;
}

.collapse .collapse .collapse,
.collapse .collapse .collapsing,
.collapse .collapsing .collapse,
.collapsing .collapse .collapse {
    background: #080808;
}

.book {
    background: #fff;
    border-radius: 5px;
    padding: 5px;
    color: #000;
    max-width: 400px;
    margin: 0 auto;
}