/* Preloader */

#preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  overflow: hidden;
  background: #fff; 
}

#preloader:before {
  content: "";
  position: fixed;
  top: calc(50% - 30px);
  left: calc(50% - 30px);
  border: 6px solid #1f56a7;
  border-top-color: #d1e6f9;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  -webkit-animation: animate-preloader 1s linear infinite;
  animation: animate-preloader 1s linear infinite;
}

#preloader2 {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  overflow: hidden;
  background: #ffffff82;
}

#preloader2:before {
  content: "";
  position: fixed;
  top: calc(50% - 30px);
  left: calc(50% - 30px);
  border: 6px solid #000;
  border-top-color: #d1e6f9;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  -webkit-animation: animate-preloader 1s linear infinite;
  animation: animate-preloader 1s linear infinite;
}

@-webkit-keyframes animate-preloader {
  0% {
      transform: rotate(0deg);
  }
  100% {
      transform: rotate(360deg);
  }
}

@keyframes animate-preloader {
  0% {
      transform: rotate(0deg);
  }
  100% {
      transform: rotate(360deg);
  }
}

.rows {
  margin: 8px -16px;
}

/* Add padding BETWEEN each column */

.rows,
.rows > .columns {
  padding: 6px;
}

/* Create four equal columns that floats next to each other */

.columns {
  float: left;
  width: 25%;
}

/* Clear floats after rows */

.rows:after {
  content: "";
  display: table;
  clear: both;
}

/* Contents */

.contents {
  background-color: white;
  padding: 8px;
}

/* Responsive layout - makes a two column-layout instead of four columns */

@media screen and (max-width: 900px) {
  .columns {
    width: 50%;
  }
}

/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */

@media screen and (max-width: 600px) {
  .columns {
    width: 50%;
  }
}

@media screen and (max-width: 300px) {
  .columns {
    width: 50%;
  }
}