body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #000; /* For browsers that do not support gradients */
  background-image: linear-gradient(to bottom right, #333, #000);
  color: #fff;
  text-align: center;
}

.topnav {
  overflow: hidden;
  background-color: #000;
}

.topnav a {
  float: left;
  display: block;
  color: #fff;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #333;
  color: white;
}

.topnav .icon {
  display: none;
}

@media screen and (max-width: 600px) {
  .topnav a:not(:first-child) {display: none;}
  .topnav a.icon {
    float: right;
    display: block;
  }
}

@media screen and (max-width: 600px) {
  .topnav.responsive {position: relative;}
  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
}

footer {
  text-align: center;
  padding: 3px;
  padding-bottom: 3px;
  margin-top: 33px;
  background-color: #000;
  color: white;
}

.button {
  border: none;
  color: white;
  padding: 16px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 18px;
  margin: 4px 2px;
  transition-duration: 0.4s;
  cursor: pointer;
  border-radius:7px;
}

.button1 {
  background-color: #000; 
  color: #fff; 
  border: 2px solid #f7f7f7;
}

.button1:hover {
  background-color: #f7f7f7;
  color: #000;
}

<!-- Made by Nick -->