main {
  display: block;
}

.zebhourglass-container {
  height: 100vh;
  width: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zebhourglass {
  width: 100px;
  height: 100px;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border: 10px solid #d8edf8;
  border-left-color: #009fe0;
  border-radius: 50%;
  background: transparent;
  animation-name: zeb-rotate-hourglass;
  animation-iteration-count: infinite;
  animation-duration: 1s;
  animation-timing-function: linear;
  position: relative;
}

@keyframes zeb-rotate-hourglass {
  from {
    transform: rotate(0);
  }
  to {
    transform: rotate(360deg);
  }
}