.challenge-container {
  margin: 0 0px;
}

.challenge-container .icon-navigation {
  margin-top: 15px;
  text-align: left;
}

.challenge-container .icon-navigation a {
  padding-left: 30px;
  display: inline-block;
}

.challenge-container .icon-navigation a:first-child {
  padding-left: 0;
}


@media (max-width:500px) {
  .challenge-container .icon-navigation a {
    width:50%;
    text-align:center;
    padding-left: 0px !important;
  }


}