h2{
  text-align: center;
  margin-bottom: 30px;
}
#page_top{
  width: 60px;
  height: 50px;
  position: fixed;
  right: 70px;
  bottom: -45px;

/*  background: #ef3f98;
  opacity: 0.9;
  border-radius: 50%;*/

}
#page_top a{
  position: relative;
  display: block;
  width: 70px;
  height: 50px;
  text-align: center;
 /* text-decoration: none; */
}
#page_top a:before{
  font-family: 'Font Awesome 5 Free'; 
 /* font-weight: 900;
  content: '\f102';
  font-size: 15px; */
  color: #ff00ff;   
  position: absolute;
  width: 35px;
  height: 25px;
  top: -5px;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
  text-align: center
}