// Styles related to the Sessions controller here
.login-box {
  background: #fff;
  border: 1px solid #ddd;
  margin: 100px 0;
  padding: 40px 20px 0 20px;
}

#sign-up-link {
  text-align: center;
  padding-bottom: 20px;
  width: auto;
  left: 0px;
}

// Styles related to the Sessions controller here
.login-box {
  background: #fff;
  border: 1px solid #ddd;
  margin: 100px 0;
  padding: 40px 20px 0 20px;
}

#sign-up-link {
  text-align: center;
  padding-bottom: 20px;
  width: auto;
  left: 0px;
  color: #333;
}

#sign-up-link a:visited{
  color: #333;
}

#sign-up-link a:hover{
  color: #007095;
}

Change Sign Up link hover color
Change Sign Up link hover color
