body{
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    color: #424242;
}

.topnav {
    background-repeat: repeat;
    background-image: linear-gradient(to right top,#a8b563 0%,#00c0ca 100%), url(../img/2flag_texture.jpg);
    background-blend-mode:multiply;
    background-size: cover;
    width: 100%;
    padding-top: 20px;
    padding-bottom: 20px;
}

.app-download{
    display: block;
    width: 100%;
    text-align: center;
}

a{
    text-decoration: none;
}

.video {
    width: 560px; /* you have to have a size or this method doesn't work */
    height: 315px; /* think about making these max-width instead - might give you some more responsiveness */


    margin: auto; /* make em equal */
}