body {
  margin: 0;
  background: #fafafa;
  color: #000000;
  font-family: Verdana, Arial, Helvetica, sans-serif;
  font-size: 11px;
  line-height: 1.35;
  overflow-x: auto;
}

a {
  color: #000000;
}

.top-nav {
  box-sizing: border-box;
  width: 868px;
  min-height: 104px;
  padding: 15px 18px 12px;
  border-top: 1px solid #000000;
  border-bottom: 1px solid #000000;
  background: #fafafa;
}

.top-nav-title {
  margin: 0 0 11px;
  font-family: Tahoma, Verdana, Arial, Helvetica, sans-serif;
  font-size: 20px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.top-nav-title a {
  text-decoration: none;
}

.top-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.top-nav-links a {
  display: inline-block;
  padding: 0 0 2px;
  border-bottom: 1px solid transparent;
  text-decoration: none;
  text-transform: uppercase;
  font-family: Tahoma, Verdana, Arial, Helvetica, sans-serif;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.top-nav-links a:hover {
  border-bottom-color: #888888;
}

.obra-menu {
  box-sizing: border-box;
  width: 174px;
  min-height: 434px;
  border-top: 1px solid #000000;
  border-bottom: 1px solid #000000;
  background: #f2f2f2;
  padding: 10px 0;
}

.obra-menu a {
  display: block;
  padding: 9px 14px;
  font-family: Tahoma, Verdana, Arial, Helvetica, sans-serif;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.obra-menu a:hover {
  background: #e3e3e3;
}

@media (max-width: 920px) {
  .top-nav {
    width: 100%;
    min-height: 0;
  }

  .top-nav-title {
    font-size: 16px;
    letter-spacing: 0.13em;
  }

  .obra-menu {
    width: 100%;
    min-height: 0;
    margin-bottom: 8px;
  }
}