merriam-webster.com User CSS cleanup

style.css

header {
  display: none;
}

.header-placeholder {
  display: none;
}

.right-rail {
  display: none !important;
}

.left-content {
  width: 100% !important;
}

.wod-definition-container {
  font-size: 30px;
}

.wod-definition-container h2 {
  font-size: 18px;
}