.loader-wrapper {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: none;
  /*background-color: #242f3f;*/
  display:flex;
  justify-content: center;
  align-items: center;
  z-index: 200;
}

.loader {
  display: inline-block;
  width: 64px;
  height: 64px;
  position: relative;
  /*top: 50%;                       ******* <- Remove this line *********/
  border: 4px solid #ad1457;
  border-radius: 8px;
  background-color: darkslateblue;
  /*background-image: url('../../img/main/tiny-icon.png');
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;*/
  /*rotate: 180deg;*/
  animation: loader 2s infinite ease;
}
.loader-inner {
  vertical-align: top;
  display: inline-block;
  width: 100%;
  background-image: url('../../img/main/tiny-iconx.png');/*background-color: #fff;*/
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  animation: loader-inner 2s infinite ease-in;
}
@keyframes loader {
  0% { transform: rotate(0deg);}
  25% { transform: rotate(180deg);}
  50% { transform: rotate(180deg);}
  75% { transform: rotate(360deg);}
  100% { transform: rotate(360deg);}
}
@keyframes loader-inner {
  0% { height: 100%;}
  25% { height: 100%;}
  50% { height: 0%;}
  75% { height: 0%;}
  100% { height: 100%;}
}