hacks-guide-minimal-mistakes-theme/assets/_scss/_masthead.scss

/* ==========================================================================
   MASTHEAD
   ========================================================================== */

.masthead {
  @include container;
  @include clearfix;
  padding: 2em 2em 1em;
  font-family: $sans-serif-narrow;
  font-weight: 700;
  text-transform: uppercase;
  @include breakpoint($large) {
    padding-left: 1em;
    padding-right: 1em;
  }
  @include breakpoint($x-large) {
    max-width: $x-large;
  }
  nav {
    z-index: 1;
  }
  a {
    text-decoration: none;
  }
}

/* Site name */
.site-name {
  @include breakpoint($large) {
    @include prefix(2 of 12);
  }
  @include breakpoint($x-large) {
    @include prefix(2.5 of 12);
  }
  font-size: 24px;
}

.masthead__menu {
  @include breakpoint($large) {
    @include prefix(2 of 12);
  }
  @include breakpoint($x-large) {
    @include prefix(2.5 of 12);
  }
  margin-bottom: 1em;
  ul {
    margin: 0;
    padding: 0;
    clear: both;
    list-style-type: none;
  }
}

.masthead__menu-item {
  display: block;
  list-style-type: none;
  font-size: 16px;
  white-space: nowrap;
}