#login {
    position: absolute !important;
    z-index: 10000 !important;
    width: 60% !important;
    min-width: 45em;
    background-color: whitesmoke;
    border-style: solid;
    border-color: slategrey;
    border-width: 3px;
    padding: 5em;
    margin-top: 15%;
    margin-left: 30%;
    text-align:center;
}

.loginbutton {
    width: 30em;
}

.button-dark {
    background-color: darkslategrey;
    color: aliceblue;
}

#feedback-button {
    position: absolute !important;
    z-index: 10000 !important;
    padding: 12px;
    border-radius: 20px;
    box-shadow: 0 4px 8px 0 gray, 0 6px 20px 0 gray;
    background-color: lightblue;
    bottom: 5%;
    left: 2%;
    transition-duration: 0.4s;
  }

  #feedback-button:hover { 
    background-color: #3498db;
  }