html {
    box-sizing: border-box;
}

*, *::before, *::after {
    box-sizing: inherit;
}

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background: #ffffff url('../img/geometry2.png');
    /* Background pattern from Subtle Patterns */
    font-family: 'Coda', cursive;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

h1 {
    font-family: 'Open Sans', sans-serif;
    font-weight: 300;
}

/*
 * Styles for the deck of cards
 */

.deck {
    width: 660px;
    min-height: 680px;
    background: linear-gradient(160deg, #02ccba 0%, #aa7ecd 100%);
    padding: 32px;
    border-radius: 10px;
    box-shadow: 12px 15px 20px 0 rgba(46, 61, 73, 0.5);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin: 0 0 3em;
}

.deck .card {
    height: 125px;
    width: 125px;
    background: #2e3d49;
    font-size: 0;
    color: #ffffff;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 5px 2px 20px 0 rgba(46, 61, 73, 0.5);
}

.deck .card.open {
    transform: rotateY(0);
    background: #02b3e4;
    cursor: default;
}

.deck .card.show {
    font-size: 33px;
}

.deck .card.match {
    cursor: default;
    background: #02ccba;
    font-size: 33px;
}

/* disable second click */

.deck .card.click2 {
    pointer-events: none;
}

/*
 * Styles for the Score Panel
 */

.score-panel {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    max-width: 660px;
    justify-content: space-between;
    margin-bottom: 10px;
    align-items: center;
}

.score-panel .stars {
    margin: 0;
    padding: 0;
    display: inline-block;
    margin: 0 5px 0 0;
}

.score-panel .stars li {
    list-style: none;
    display: inline-block;
    color: #F9FAFB;
}

/* star rating indicator color */

.score-panel .stars li.purple {
    color: #A87ECC;
}

.score-panel .restart {
    float: right;
    cursor: pointer;
}

/* timer */

.timer-container {
    width: 120px;
    display: inline-block;
}

/*
 * Modal style
 */

.modal {
    display: none;
}

.modal.modal-open {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    width: 400px;
    height: auto;
    background-color: rgb(168, 127, 204);
    border-radius: 10px;
    box-shadow: 12px 15px 20px 0 rgba(46, 61, 73, 0.5);
    text-align: center;
    align-items: center;
}