@import url(https://fonts.googleapis.com/css?family=Raleway:400,500,800);

body {
  margin: 0;
  padding: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Raleway', Arial, sans-serif;
}

.loader {
  width: 300px;
  height: 60px;
  border: 7px solid #0a3d62;
  border-radius: 10px;
  text-align: center;
  line-height: 60px;
  position: relative;
  overflow: hidden;
}

span {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  font-size: 48px;
  text-transform: uppercase;
  font-weight: 600;
}

.top-half {
  color: #ee5253;
  animation: split 4s linear infinite;
  clip-path: polygon(0 0, 100% 0, 100% 50%, 0 50%);
}

.bottom-half {
  color: #0a3d62;
  animation: split 4s linear infinite reverse;
  clip-path: polygon(0 50%, 100% 50%, 100% 100%, 0 100%);
}

@keyframes split {
  0% { transform: translateX(100%); }
  40% { transform: translateX(0); }
  60% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}