#signin
{
  margin: auto;
  visibility: visible;
  padding-top: 25px;
  width: 150px;
}

#signout
{
  visibility: hidden;
  text-align: center;
  background-color :white;
  border-radius: 10px;
  padding: 10px;
}

#signout img
{
  margin: auto;
  border-radius: 50%;
}