.loading-frame {
    background: #000;
    width: 100%;
    height: 100%;
    line-height: 1.1;
    position: absolute;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    color: #ccc;
    cursor: pointer;
    transition: .2s linear;
    top: 0;
    left: 0;
}
.loading-frame .loading-inner {
   text-align: center;
}
.loading-frame .loader {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-block;
  border-top: 4px solid #FFF;
  border-right: 4px solid transparent;
  box-sizing: border-box;
  animation: loader-rotation 1s linear infinite;
}
.loading-frame .loader::after {
  content: '';  
  box-sizing: border-box;
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border-left: 4px solid #FF3D00;
  border-bottom: 4px solid transparent;
  animation: loader-rotation 0.5s linear infinite reverse;
}
.loading-frame .txt-loader {
  width: 100%;
  text-align: center;
  margin-top: 15px;
  display: block;
  animation: loader-fade 1.5s linear infinite;
}
@keyframes loader-rotation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
} 
@keyframes loader-fade {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}