Module:NavboxMobile/styles.css

.navboxMobile {
  box-sizing: border-box;
  border: 1px solid #a2a9b1;
  width: 100%;
  clear: both;
  font-size: 88%;
  text-align: center;
  margin: 1em auto 0;
  background-color: #fdfdfd;
}

.navboxMobile-title {
  background-color: #ccf;
  padding: 0.25em 1em;
  line-height: 1.5em;
  text-align: center;
}

.navboxMobile-group {
  background-color: #e6e6ff;
  padding: 0.25em 1em;
  text-align: right;
}

.navboxMobile-list {
  padding: 0.25em;
  text-align: left;
}

@media all and (max-width: 720px) {
  .navboxMobile {
    font-size: 80%;
  }
}