.erx_section {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.erx_secheader {
  margin: auto;
  text-align: center;
  padding: 0.5em; 
  height: 100px;  
  color: #fff;
  text-shadow: 3px 3px 3px rgba(0,0,0,0.5);
  font-size: 3em;
}

.erx_calendar {
    margin: auto;
    width: 80%;
}