body {
    height: 100%;
    font-size: 15px;
    font-family: 'Open Sans', 'Nanum Gothic', '나눔고딕', NanumGothic, Arial, Helvetica, sans-serif;
    -webkit-text-size-adjust: none;
    word-break: keep-all;
    margin: 0;
}

#wrapper {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

#content {
    padding: 40px 20px 40px 20px;
    margin: 0;
    background-color: white;
}

#intro {
    line-height: 150%;
    margin: 0 0 40px 0;
}

h1 {
    color: #5c83ce;
    font-size: 30px;
    margin: 0 0 5px 0;
}

h2 {
    font-size: 20px;
    margin: 0 0 30px 0;
}

.border_darkgray_btn {
    background: #fff;
    color: #333333 !important;
    border: solid 1px #818181;
}

audio {
    width: 100%;
}

.btn.btn_m {
    padding: 0 35px;
}

.btn {
    width: auto;
    height: 35px;
    line-height: 35px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 15px;
}

.btn_wrap {
    width: 80%;
    margin: 0 auto;
}

.download_capacity {
    font-size: 13px;
    color: gray;
    padding: 5px 0 0 0;
}


:link,
a,
a:focus,
a:hover {
    text-decoration: none;
    color: inherit;
}

a:hover,
a:active,
a:visited {
    text-decoration: none;
}

img {
    margin: 0;
    padding: 0;
    height:  60vh;
    width: auto;
    border: 1px solid #dfdfdf;
}

#header {
    text-align: left;
    margin: 10px;
    font-size: 12px;
    color: #555555;
}

#museum_name {
    margin-bottom: 5px;
}

td {
    padding: 10px;
    text-align: center;
    border: 1px solid black;
    border-radius: 3px;
}

table {
    width: 100%;
    max-width: 220px;
    border: 0px;
    padding: 10px 3px 0 3px;
    margin: 0 auto;
}

#memo {
    color: gray;
    margin: 0 0 20px 0;
}
#wrapper2 {
     text-align: center;
     padding: 0;
     margin: 0;

     width: 100%;
 }

.img_btn {
    margin: 0 0 50px 0;
}

 #icon_main2 {
     color: #818181;
     margin: 0;
     padding: 10px;
     text-align: left;
     border-top: 1px solid #dfdfdf;
     border-left: 1px solid #dfdfdf;
     border-right: 1px solid #dfdfdf;
     font-weight: 700;
 }

 #img_wrap2 {
     margin: 0px;
     padding: 0px;

 }

 #button_wrap2 {
     height: 10%;
     font-weight: 700;
     color: #818181;
     font-size: 25px;
     margin: 15px 0 0 0;
 }