イライラCSS

irir.css

.button {
  display: inline-block;
  width: 120px;
  height: 55px;
  line-height: 55px;
  background: #333;
  color: #fff;
  border-radius: 5px;
  text-align: center;
}

.navbar {
  display: inline-block;
  width: 100%;
  height: 55px;
  line-height: 55px;
  background: #333;
  color: #fff;
  border-radius: 0;
  text-align: left;
}