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;
    pointer-events: none;
}

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

/*
 * Styles for the Score Panel
 */

.score-panel {
    text-align: left;
    width: 345px;
    margin-bottom: 10px;
}

.score-panel .stars {
    margin: 0;
    padding-right: 10px;
    display: inline-block;
    margin: 0 5px 0 0;
}

.timer {
    padding: 10px;
}

.moves {
    padding: 5px;
}

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

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

/*
* Modal Styles
*/

.modal {
    font-style: inherit;
    width: 660px;
    height: 680px;
    position: absolute;
    text-align: center;
    background: linear-gradient(160deg, #02ccba, #aa7ecd);
    border-radius: 10px;
}

.modal-title {
    font-size: 2.5em;
    font-weight: bold;
}

.modal-body li {
    list-style-type: none;
    font-size: 1.5em;
}

.modal .btn{
    font-size: 2em;
    font-weight: bold;
    color: #fff;
    padding: 10px;
    background: transparent;
    margin-right: 28px;
    cursor: pointer;
}

.modal-hide {
    display: none;
}

.modal-display {
    display: block;
}

@media  screen and (max-width: 725px) {
    .deck {
        width: 495px;
        min-height: 510px;
        padding: 10px;
    }

    .deck .card {
        margin: 10px;
        height: 93.75px;
        width: 93.75px
    }

    .deck .card.show {
        font-size: 28px;
    }

    .deck .card.match {
        font-size: 28px;
    } 
    
    .modal {
        margin-top: 7px;
        font-style: inherit;
        width: 495px;
        height: 555px;
        border-radius: 8px;
    }

    .modal-title {
        font-size: 1.5em;
    }

    .modal-body li {
        font-size: 1em;
    }

    .modal .btn{
        font-size: 1em;
        padding: 8px;
        margin-right: 28px;
    }  
}

@media  screen and (max-width: 525px) {
    .deck {
        width: 330px;
        min-height: 340px;
    }

    .deck .card {
        height: 62.5px;
        width: 62.5px;
        margin: 0px;
    }

    .deck .card.show {
        font-size: 23px;
    }

    .deck .card.match {
        font-size: 23px;
    }
    
    .score-panel {
        width: 310px;
    }

    .modal {
        margin-top: 12px;
        font-style: inherit;
        width: 330px;
        height: 390px;
        border-radius: 5px;
    }

    .modal-title {
        font-size: 1.3em;
    }

    .modal-body li {
        font-size: 1em;
    }

    .modal .btn{
        font-size: 1em;
        padding: 8px;
        margin-right: 28px;
    }
   
}