小编ris*_*ish的帖子

nav ul,
nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-item ul {
  padding: inherit;
  border: 1px solid black;
  text-align: left;
  border-radius: 4px;
}
.nav-item ul li:hover {
  background-color: #d1d1d1;
}
.nav-bar {
  text-align: center;
}
@media screen and (min-width: 769px) {
  .nav-bar--left {
    display: table;
    table-layout: fixed;
    width: 100%;
    text-align: left;
  }
  .nav-bar--left .grid-item {
    float: none;
    display: table-cell;
    vertical-align: middle;
  }
}
#nav {
  position: relative;
  display: block;
  list-style-type: none;
  padding: 0; …