#B1 {
    position: fixed;
    margin: auto;
    left: 0;
    right:1260px;
    top: -670px;
    bottom: 0;
    width: 103px; /* width of button */
    height: 22px;

}

#B2 {
    position: fixed;
    margin: auto;
    left: 0;
    right:960px;
    top: -670px;
    bottom: 0;
    width: 103px; /* width of button */
    height: 22px;

}

#B3 {
    position: fixed;
    margin: auto;
    left: 0;
    right:660px;
    top: -670px;
    bottom: 0;
    width: 103px; /* width of button */
    height: 22px;

}

#B4 {
    position: fixed;
    margin: auto;
    left: 0;
    right:357px;
    top: -670px;
    bottom: 0;
    width: 103px; /* width of button */
    height: 22px;

}


#B5 {
    position: fixed;
    margin: auto;
    left: 0;
    right: 57px;
    top: -670px;
    bottom: 0;
    width: 103px; /* width of button */
    height: 22px;

}


#B6 {
    position: fixed;
    margin: auto;
    left: 0;
    right:-243px;
    top: -670px;
    bottom: 0;
    width: 103px; /* width of button */
    height: 22px;

}

#B7 {
    position: fixed;
    margin: auto;
    left: 0;
    right:-543px;
    top: -670px;
    bottom: 0;
    width: 103px; /* width of button */
    height: 22px;

}