.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
  }

.divcolorbox{
  padding-top: 50px;
  width: auto;
  height: auto;
  background-color: #E1EDF2;
  background-clip: content-box;
}

.loading{
  width:440px;
  height:300px;
  opacity:0.25;
  margin-left:60px;
  margin-top:5px;
  }