html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
    overflow: hidden;
    background-color: #000;
    -webkit-font-smoothing: antialiased;
}

a:link, a:visited {
    color: #bdc3c7;
}

.credit {
    position: absolute;
    text-align: center;
    width: 100%;
    padding: 20px 0;
    color: #fff;
}

#progress {
    position: absolute;
    width: 100%;
    height: 3px;
}
  
#bar {
    background-color: #fff;
    height: 100%;
    transition: width 0.1s ease;
}

#bar.hide {
    opacity: 0;
    transition: opacity 1s ease;
}

#container {
    width: 100%;
    height: 100%;
}

.title {
    position: absolute;
    margin: auto;
    width: 100%;
    padding: 20px;
    color: #fff;
    top : 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    -webkit-transition: opacity 0.5s ease-out;
            -o-transition: opacity 0.5s ease-out;
            transition: opacity 0.5s ease-out;
}

.title {
    text-align: center;
    pointer-events: none;
    letter-spacing: 1px;
}

.title header {
    font-family: 'Oswald', sans-serif;
    font-size: 3.2em;
    font-weight: 200;
}

.title article {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 2.2em;
    font-weight: 150;
}

button {
    position: absolute;
    top: 5px;
    width: 100px;
    height: 30px;
}
  
#btn1 {
    left: 40px;
}
  
#btn2 {
    left: 145px;
}

#btn3 {
    left: 250px;
}

#infobox {
    position: absolute;
    width: 550px;
    left: 50%;
    bottom: 0px;
    transform: translate(-50%,-10%);
    border: none;
    background: #fff;
    opacity: 0.7;
    color: #000;
    border-radius: 5px;
}

#infobox #infotitle { 
    text-align: center;
    font-family: 'Noto Sans KR', sans-serif;
    font-weight: bold;
    font-size : 1.8em;
    line-height: 15px;
}

#infobox #infodesc { 
    text-align: left;
    font-family: 'Noto Sans KR', sans-serif;
    font-size : 1.2em;
    padding: 0 10px 0 10px;
}

@media (max-width: 800px) {
    .title header {
        font-family: 'Oswald', sans-serif;
        font-size: 2em;
        font-weight: 180;
    }
    
    .title article {
        font-family: 'Noto Sans KR', sans-serif;
        font-size: 1.5em;
        font-weight: 100;
    }

    #infobox {
        position: absolute;
        width: 80%;
        left: 50%;
        bottom: 0px;
        transform: translate(-50%,-10%);
        border: none;
        background: #fff;
        opacity: 0.8;
        padding : 10px;
        color: #000;
        border-radius: 3px;
    }

    #infobox #infotitle { 
        text-align: center;
        font-family: 'Noto Sans KR', sans-serif;
        font-weight: bold;
        font-size : 1.2em;
        line-height: 12px;
    }
    
    #infobox #infodesc { 
        text-align: left;
        font-family: 'Noto Sans KR', sans-serif;
        font-size : 1em;
    }

    
}