body{
    background-image:url("../image/index_bg.png");
    background-size:cover;
}

video{
    width:1000px;
    margin-bottom:20px;
}

.text{
    color:white;
    width:1000px;
}

img{
    margin:20px 0;
}

div{
    width:1000px;
    margin:0 auto;
}

h3{
    text-align:center;
    margin-top:30px;
    margin-bottom:50px;
}
a{
    color:white;
    text-decoration:none;
}