#form {
  border-width: 20px;
  width: 350px;
  height: auto;
  border: 1px solid;
  margin: auto;
  padding: 20px;
  margin-top: 100px;
  background-color: whitesmoke;
  border-radius: 8px;
}
#form input {
  width: 100%;
  border: none;
  border-bottom: 1px solid #000;
  border-radius: 0px;
  padding: 10px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  margin-bottom: 10px;
}
#form h1 {
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
}
#form p {
  text-align: center;
  margin-bottom: 40px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  margin-top: 20px;
}
#fb{
  display: block;
  margin: auto;
  padding: 5px;
  color: #fff;
  background: #3b5897 url(https://kcdn.twiikapp.com/images/facebook_icon.png)
  no-repeat 10px 10px;
  border: none;
  align-items: center;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  border-radius: 10px;
  width: 80%;
  height: 40px;
  padding-bottom: 5px;
  padding-left: 10px;
  text-decoration: none;
  margin-top: -10px;
  margin-bottom: 20px;
  cursor: pointer;
}
#fb:hover{
  background-color:#1a4cb8  ;
}
#login {
  display: block;
  background: #3cc6dc;
  color: #fff;
  border: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  width: 80%;
  margin: auto;
  height: 40px;
  outline: none;
  border-radius: 10px;
  cursor: pointer;
}
#login:hover{
  background-color: #0bacbb;
}