body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.top-container {
  padding: 0px;
}

.header {
  padding: 0px 0px;
  background: #ffffff;
  color: #000000;
  z-index:5000;
}

.content {
  padding: 0px;
}

.sticky {
  position: fixed;
  top: 0;
  width: 100%;
}

.sticky + .content {
  padding-top: 102px;
}

<!---
.top-container {
  background-color: #ffffff;
  padding: 0px;
}
--->