尝试一下 »

<style>

  .loader-small {

    border: 5px solid #f3f3f3;

    -webkit-animation: spin 1s linear infinite;

    animation: spin 1s linear infinite;

    border-top: 5px solid #555;

    border-radius: 50%;

    width: 50px;

    height: 50px;

  }

​

​

  @keyframes spin {

    0% {

      -webkit-transform: rotate(0deg);

      -ms-transform: rotate(0deg);

      transform: rotate(0deg);

    }

​

    100% {

      -webkit-transform: rotate(360deg);

      -ms-transform: rotate(360deg);

      transform: rotate(360deg);

    }

  }

</style>

​

<div class="loader-small"></div>