.epn-container {
  min-height: 100%;
  height: auto;
  float: left;
  width: 100%;
}

.epn-wrapper {
  position: relative;
  float: left;
  width: 100%;
}
.epn-nextpage {
  height: 250px;
  box-shadow: inset 0 0 45px rgba(0,0,0,0.15);
  background: #4D90FE;
  bottom: -200%;
  color: #F5F5F1;
  left: 0;
  position: fixed;
  right: 0;
  text-align: center;
  transition: none;
  width: 100%;
  z-index: 4;
  padding: 20px;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  cursor: pointer;
}

.epn-nextpage.epn-top {
   bottom: auto;
   top: -200%;
}

.epn-nextpage .epn-progresswrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.epn-nextpage .epn-progresswrapper #epn-progressbar{
  background: rgba(255,255,255,0.25);
  height: 100%;
  -moz-transition: width 500ms ease-in-out;
  -ms-transition: width 500ms ease-in-out;
  -o-transition: width 500ms ease-in-out;
  -webkit-transition: width 500ms ease-in-out;
  transition: width 500ms ease-in-out;
}