understrap/sass/understrap/understrap.scss

// Some basic padding for all wrappers
.wrapper { padding: $grid-gutter-width-base 0; }

// Reset hero wrapper padding to 0
#wrapper-hero { padding: 0px !important; }

// Adding basic Wordpress classes to pass the Wordpress.org tests
.sticky,
.gallery-caption,
.bypostauthor { font-size: inherit; }

// Separate sticky wrapper from main content
.wrapper#wrapper-sticky { border-bottom: 1px solid $gray-light; }

// Adding some contrast background color to footer full widget
#wrapper-footer-full,
#wrapper-static-hero { background-color: $gray-lighter; }

// Necessary WP classes
.wp-caption { font-size: inherit; }

.wp-caption-text { font-size: inherit; }

.screen-reader-text { font-size: inherit; }

.alignright {
  float: right;
  padding-left: 10px;
}

.alignleft {
  float: left;
  padding-right: 10px;
}

.aligncenter { margin: 0px auto; }

// Post design
.entry-footer span { padding-right: 10px; }

// Limit featured image size to 100%
img.wp-post-image,
article img,
figure,
img,
#secondary img {
  max-width: 100%;
  height: auto;
}

// Skip to content link
a.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0px;
  right: 0px;
}

// Reset Jumbotron default margin
.jumbotron { margin-bottom: 0px; }

// Bootstrap3 to Bootstrap4 "translation"
.menu-item {
  float: left;
  display: inline;
  width: auto;
}

/* Navbar toggle
 * Custom button for toggling the `.navbar-collapse`, powered by the collapse
 * JavaScript plugin.
 * Navbar vertical align
 */
.navbar-toggle {
  position: relative;
  float: right;
  margin-right: $navbar-padding-x;
  padding: 9px 10px;
  background-color: transparent;
  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
  border: 1px solid transparent;

  /*
   * We remove the `outline` here, but later compensate by attaching `:hover` styles to `:focus`.
   */
  &:focus { outline: 0; }

  // Bars
  .icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 1px;
  }
  .icon-bar + .icon-bar { margin-top: 4px; }
}

.navbar {
  .collapsing,
  .collapse.in {
    float: left;
    width: 100%;
  }
}

.navbar-dark {
  .navbar-toggle { border: 1px solid #fff; }
  .icon-bar { border-bottom: 1px solid #fff; }
  .dropdown-menu { background-color: $gray-dark; }
}

.navbar #main-menu { float:left; }

.navbar-nav {
  .nav-item { float: left; }

  .nav-link {
    display: block;
    padding-top: .425rem;
    padding-bottom: .425rem;

    + .nav-link { margin-left: 0rem; }
  }

  .nav-item + .nav-item { margin-left: 0rem; }
}

.nav-link {
  margin-right: .425rem;
  margin-left: .425rem;
}

.post-navigation,
.paged-navigation {
  padding: ($grid-gutter-width-base/2) 0;
  margin: $grid-gutter-width-base 0;
  border-top: 1px solid $gray-lighter;
}

// Fixing BS dropdown in a dropdown
.dropdown-menu .dropdown-menu {
  position: relative;
  display: block;
  margin-left: 10px;
  border: none;
  box-shadow: none;
  li {
    padding-left: 0px;
    list-style: square;
  }
}

.dropdown-menu .menu-item {
  width: 100%;
  a.nav-link{
    margin:0px;
    padding:$nav-link-padding;

  }
  a.nav-link:hover { 
    background-color: $brand-primary; 
  }
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  cursor: pointer;
}

// Clearing after gallery
.gallery:after {
 content: "";
 display: table;
 clear: both;
}

// Clearing after widget
aside.widget{
  clear:both;
}