style.css

* {
    margin: 0;
    padding: 0;
    font-family: 'Lato', sans-serif;
    box-sizing: border-box;
}

body {
    background: #1E2D3B;
    min-height: 100vh;
}

.container {
    width: 1070px;
    height: 100%;
    margin: 0 auto;
}

header {
    width: 100%;
    height: 70px;
    background: rgb(46, 58, 70);
}

header img {
    height: 50px;
    margin-top: 10px;
}

.cds-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    padding: 20px 0;
}

.cd {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
    flex-basis: 200px;
    padding: 20px;
    margin: 10px 20px;
    height: 360px;
    background: rgb(46, 58, 70);
    text-align: center;
}

.cd img {
    max-width: 100%;
}

.cd h3 {
    margin: 20px 0;
    color: white;
    font-size: 22px;
    text-transform: uppercase;
}

.cd span.author {
    color: grey;
    font-size: 20px;
}

.cd span.year {
    color: grey;
}

#checkbox {
    display: flex;
    justify-content: center;
}

.genre {
    padding: 20px;
}

/* CHECKBOXES */
input {
    display: none;
}

label {
    display: block;
    margin: 0.2em;
    padding: 0.2em;
    color: #aaa;
    cursor: pointer;
}

label::before {
    content: "\2714";
    display: inline-block;
    width: 1em;
    height: 1em;
    border: 0.1em solid #aaa;
    border-radius: 0.35em;
    padding-left: 0.2em;
    padding-bottom: 0.3em;
    margin-right: 0.5em;
    color: transparent;
}

label:active::before {
    transform: scale(0);
}

input:checked+label::before {
    background-color: #1ed760;
    border-color: #1ed760;
    color: black;
}

label:hover {
    color: #1ed760;
}

label:hover::before {
    border-color: #1ed760;
}