*{
   box-sizing: border-box;
}
body{
   margin: 0;
   padding: 0;
   min-height: 100vh;
   height: auto;
   background: #0c0c2c;
}
h2{
   color: #fff;
   text-align: center;
   font-size: 2rem;
}

.loader-div{
   position: fixed;
   width: 10rem;
   top: 50%;
   left: 50%;
   transform: translate(-50%,-50%);
}

.loader-big{
   width: 10rem;
   height: 10rem;
   border-radius: 50%;
   border-right: 0.5rem solid #75E6DA;
   animation: loaderBig 1s linear infinite;
}
.loader-middle{
   width: 7.5rem;
   height: 7.5rem;
   border-radius: 50%;
   border-top: 0.5rem solid #FF0066;
   animation: loaderMiddle 1s linear infinite;
}
.loader-small{
   width: 5rem;
   height: 5rem;
   border-radius: 50%;
   border-bottom: 0.5rem solid #D100D1;
   animation: loaderSmall 1s linear infinite;
}

@keyframes loaderBig{
   0%{
      transform: rotate(0deg);
   }
   100%{
      transform: rotate(360deg);
   }
}

@keyframes loaderMiddle{
   0%{
      transform: rotate(0deg);
   }
   100%{
      transform: rotate(360deg);
   }
}

@keyframes loaderSmall{
   0%{
      transform: rotate(0deg);
   }
   100%{
      transform: rotate(360deg);
   }
}