.tp-navbar
{
 background-color: rgba(0, 0, 0, 0.55);
 box-shadow: 1px 1px 3px rgba(225, 225, 255, 0.55);
}
.tp-navbar .nav-link
{
    border-bottom: 1px solid transparent;
    transition: padding-bottom .4s ease-in-out, border-color .3s ease ;
}
video
{
    margin-bottom: 25px;
}