body {
  background-color: #2a3135;
}
img {
  width: 277px;
  height: 150px;
}
.loader {
  max-width: 500px;
  margin: auto;
  padding: 10px;
}
.loader {
  border: 10px solid #f3f3f3;
  border-radius: 50%;
  border-top: 10px solid #3498db;
  width: 100px;
  height: 100px;
  -webkit-animation: spin 2s linear infinite; /* Safari */
  animation: spin 2s linear infinite;
}

/* Safari */
@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
  }
}

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