CSS Preloader

A small CSS preloader example that is a little different than the traditional spinner

HTML

<body>
    <div id="spinner" class="active">
      <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="100px" height="100px" viewBox="0 0 100 100" enable-background="new 0 0 100 100" xml:space="preserve">
<path fill="#025fb6" stroke="none" class="tire"...

CSS

body {
    background-color: black;
}
#spinner.active {
    display: block;
}
#spinner {
    display: none;
    position: absolute;
    height: 60px;
    width: 60px;
    top: 40%;
    left: 48%;
    z-index: 1;
}
.maina {
   margin: 0;
  font-family: 'Work Sans', sans-serif;
  font-size: 28px;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  
  position: relative;
  display: flex;
}

h1 { margin: 0; color:green;}
.marker, .r, .e1, .s1, .s2, .e2 {
  animation-timing-function: cubic-bezier(0.15,-0.01, 0.58, 1);
  animation-duration: 5s;
  animation-iteration-count: infinite;
  will-change: transform;
}

.marker {
  position: absolute; top: 4rem; left: -3rem;
  height: 5px; width: 10px;
  background-color: green;
  animation-name: marker;
}

.r { margin-left: 1rem;   animation-name: r; }
.e1 { margin-left: 7rem; animation-name: e1; }
.s1 { margin-left: 16rem; animation-name: s1; }
.s2 { margin-left: 21rem; animation-name: s2; }
.e2 { margin: 0 36rem 0 42rem; animation-name: e2; }
.tire {
-webkit-animation: rotation 1800ms infinite linear;
-moz-animation: rotation 1800ms infinite linear;
-o-animation: rotation 1800ms infinite linear;
animation: rotation 1800ms infinite linear;
transform-origin: 50% 50%;
-webkit-transform-origin: 50% 50%;
-moz-transform-origin: 50% 50%;
}
.rim {
-webkit-animation: rotation 1200ms infinite linear;
-moz-animation: rotation 1200ms infinite linear;
-o-animation: rotation 1200ms infinite linear;
animation: rotation 1200ms infinite linear;
transform-origin: 50% 50%;
-webkit-transform-origin: 50% 50%;
-moz-transform-origin: 50% 50%;
}

@-webkit-keyframes rotation {
from {-webkit-transform: rotate(0deg);}
to   {-webkit-transform: rotate(359deg);}
}
@-moz-keyframes rotation {
from {-moz-transform: rotate(0deg);}
to   {-moz-transform: rotate(360deg);}
}
@-o-keyframes rotation {
from {-o-transform: rotate(0deg);}
to   {-o-transform: rotate(360deg);}
}
@keyframes rotation {
from {transform:...