.Ass {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50%;
  margin: auto;
  text-align: center;
  padding: 10px;
}

.Ass1 {
  align-items: center;
  justify-content: center;
  width: 50%;
  margin: auto;
  text-align: center;
  padding: 10px;
}

.center {
  margin: auto;
  width: 50%;
  border: 3px solid green;
  padding: 10px;
}

.container h1 {
  text-align: center;
}

.newsletter{
  width: 50%;
}

.container button {
  margin: auto;
  width: 100%;
  font-size: 28px;
  height:60px;
  background: #00ffff;
  border:none;
  padding-left: 20px;
  padding-right: 20px;
  color: #000000;
  cursor: pointer;
  margin-bottom: 10px;
}

.container input {
  margin: auto;
  width: 90%;
  font-size: 28px;
  height:60px;
  background: #00ffff;
  border:none;
  padding-left: 20px;
  padding-right: 20px;
  color: #000000;
  cursor: pointer;
}

.nav ul {
  list-style: none;
  background-color: #444;
  text-align: center;
  padding: 0;
  margin: 0;
}
.nav li {
  font-family: 'Oswald', sans-serif;
  font-size: .8em;
  line-height: 40px;
  height: 40px;
  border-bottom: 1px solid #888;
  margin: 30px;
}

.nav a {
  text-decoration: none;
  color: grey;
  display: block;
  transition: .3s background-color;
}

.nav a:hover {
  color: white;
}

.nav a.active {
  color: white;
  cursor: default;
}

@media screen and (min-width: 600px) {
  .nav li {
    width: 120px;
    border-bottom: none;
    height: 50px;
    line-height: 50px;
    font-size: 1.4em;
  }

  .nav li {
    display: inline-block;
    margin-right: -4px;
  }

canvas {
  margin-top: 20px;
  padding-left: 0;
    padding-right: 0;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

footer {
  display: flex;
  align-items: center;
  justify-content: center;
}