body{
  margin: 0;
  background-color: #F1F1F1
}
ul{
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
}
li{
  float:left;
}

li a{
  display: block;
  color: white;
  text-align: center;
  padding:14px 16px;
  text-decoration: none;
}

li a:hover {
  background-color: yellow;
}

.form-inline{
    float:right;
    margin-right: 10px;
    display: flex;
    flex-flow: row wrap;
    align-items: center;
}

input {
  vertical-align: middle;
  margin: 5px 10px 5px 0px;
  padding: 10px;
  border-style:none;
  border-radius: 3px;
  background-color;#fff;

}

::placeholder{
  font-size: 14px;
}

button{
  padding: 5px 10px;
  background-color: dodgerblue;
  border-style: none;
  border-radius: 3px;
  color: white;
  font-size:14px;
}

button:hover{
  background-color: royalblue;
}

.login-status,.logout-status,.signup-form{
  width: 500px;
  padding: 2rem 1rem;
  background-color: white;
  border-radius: 0.3rem;
  margin: 2rem auto;
  text-align: center;

}
.signup-form input{
  background-color: #F1F1F1;
}