.top-bar {
    background-color: #fff;
    height: 50px;
    line-height: 50px;
    font-size: 14px;
    position: relative;
    z-index: 25;
}

.nav-bar {
    background-color: #fff;
  
    position: relative;
    z-index: 10;
}
.footer {
    background-color: #fff;
    padding-top: 80px;
}