a, img
{
border: 0px;

}

.MSC_TopNavEnd {
  width: 0 !important;
}

and the following to change the font text size and bold it.

.MSC_PrimaryNavLink, .MSC_PrimaryNavLink-On {
font-size: 16px;
font-weight: bold;
}
.MSC_PrimaryNavLink:hover, .MSC_PrimaryNavLink-On:hover {
font-size: 16px;
font-weight: bold;
}
.MSC_PrimaryNavLink:visited, .MSC_PrimaryNavLink-On:visited {
font-size: 16px;
font-weight: bold;
}