oficinasuport-wp-theme/sass/components/navigation/_navigation.scss

.main-navigation,.secondary-navigation {
	//display: block;
	//width: 100%;

	ul {
		display: none;
		list-style: none;
		margin: 0;
		padding-left: 0;

		ul {
			box-shadow: 0 3px 3px rgba(0, 0, 0, 0.2);
			float: left;
			position: absolute;
			top: 100%;
			left: -999em;
			z-index: 99999;

			ul {
				left: -999em;
				top: 0;
			}

			li {

				&:hover > ul,
				&.focus > ul {
					display: block;
					left: auto;
				}
			}

			a {
				width: 200px;
			}

			:hover > a,
			.focus > a {
			}

			a:hover,
			a.focus {
			}
		}

		li:hover > ul,
		li.focus > ul {
			left: auto;
		}
	}

	li {
		position: relative;

		&:hover > a,
		&.focus > a {
		}
	}

	a {
		display: flex;
		align-items: center;
		min-height: 100%;
		padding: 0 1rem;
		text-decoration: none;
		font-size: 1rem;
	}

	.current_page_item > a,
	.current-menu-item > a,
	.current_page_ancestor > a,
	.current-menu-ancestor > a {
		font-weight: bold;
	}
	.current-menu-item::after {
    border-bottom: 2px solid #000;
    display: block;
    content: "";
    width: 60%;
	  margin: 0 20%;
  }
}

.main-navigation {
}
.secondary-navigation {
	padding: 1.5rem 0;
	a {
		text-transform: uppercase;
	}
}
/* Small menu. */
.menu-toggle,
.main-navigation.toggled ul {
	display: block;
}

@media screen and (min-width: 37.5em) {
  .site-branding {
   //display: inline-block;
   //float: left;
  }
	.custom-logo {
    width: 11rem;
    margin: 1rem;
  }
  //.menu-primary-menu-container {
	//	height: 100%;
	//}
  //.menu-primary-menu-container,
  //.menu-secondary-menu-container {
  //  display: flex;
  //  justify-content: end;
  //}
	.menu-toggle {
		display: none;
	}

	.main-navigation ul {
		display: flex;
		justify-content: end;
		//height:100%;
	}
  .secondary-navigation ul  {
  	display: flex;
  }
}

.comment-navigation,
.posts-navigation,
.post-navigation {

	.site-main & {
		margin: 0 0 1.5em;
	}

	.nav-links {
		display: flex;
	}

	.nav-previous {
		flex: 1 0 50%;
	}

	.nav-next {
		text-align: end;
		flex: 1 0 50%;
	}
}