@charset "UTF-8";
/*
 * base
 */
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    }
article,aside,canvas,details,figcaption,figure,
footer,header,hgroup,menu,nav,section,summary {
    display:block;
    }
table {
    border-collapse:collapse;
    border-spacing:0;
    }
object,
iframe,
img {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    background:transparent;
    font-size:100%;
    }
input,
select {
    vertical-align:middle;
    }
/* clearfix */
header:after,
footer:after,
hgroup:after,
article:after,
section:after,
div:after,
nav:after,
aside:after,
form:after,
ul:after,
li:after {
    display:block;
    clear:both;
    content:"";
    }




.youtube-box {
position: relative;
clear: both;
width: 1080px;
height: 350px;
display: flex;
justify-content: center;
margin: auto;
padding-top: 5%;
background-color: #d6d6d6;
border: 0px solid #595959;
box-sizing: border-box;
z-index:100;
}

.youtube {
position: relative;
width: 480px;
padding: 25px;
border: 0px solid #595959;
box-sizing: border-box;
text-align: center;
}

.youtube iframe {
position: absolute;
top: 0;
right: 0;
width: 450px;
height: 253px;
}