opt-cc/static/src/app/login/login.component.scss

.form-signin {
  width: 100%;
  padding: 15px;
  margin: 0 auto;

  & > .row {
    max-width: 400px;
    margin: auto;

    & > h2 {
      text-align: center
    }

    input.form-control {
      margin-bottom: 10px;
      border-bottom-left-radius: 0;
      border-bottom-right-radius: 0;
      font-size: 16px;
      height: auto;
      padding: 10px;
      -webkit-box-sizing: border-box;
      -moz-box-sizing: border-box;
      box-sizing: border-box;
    }

    button {
      width: 100%;
    }
  }
}

/* Loading Animation */
.glyphicon-refresh-animate {
  animation: spin 0.9s linear infinite;
}

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