.invert_color {
   -webkit-filter: invert(1);
   filter: invert(1);
   }

.bod {
  background: url("../img/bg.jpg") no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
}

/* bootstrap 4 navbar */
.dropdown-toggle.active-dropdown::after {
    transform: rotate(-90deg);
}

.headerbg {
	background: url("../img/headerbg.png") repeat left top;
}

.containerbg {
	background: url(../img/containerbg.jpg) repeat left top;
}

.boxshadow {
    -webkit-box-shadow: 0px 2px 6px 2px rgba(0,0,0,0.75);
    -moz-box-shadow: 0px 2px 6px 2px rgba(0,0,0,0.75);
    box-shadow: 0px 2px 6px 2px rgba(0,0,0,0.75);
    margin-bottom:20px;
}

.nav-pills .nav-link.active, .nav-pills .show>.nav-link, .nav-pills > li > a:focus {
     background-color: #5c5a5a;
}