ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
  }
  
  li {
    float: left;
    border-right:1px solid #bbb;
  }
  
  li:last-child {
    border-right: none;
  }
  
  li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }
  
  li a:hover:not(.active) {
    background-color: #111;
  }
  
  .active {
    background-color: #04aaa5;
  }
  body{
    margin: 0;
    padding: 0;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    background-image: url(shiva.jpg);
    background-size: cover;
    background-position: top;
    background-repeat: no-repeat;
  }
  #container{
    max-width: 800px;
    margin:100px auto;
    text-align:initial;
    padding: 20px;

  }
  h1{
    flex: 1;
    opacity: 0;
    animation: slideInFromTop 1s ease-out forwards;
  }
  @keyframes slideInFromTop {
    0%{
      transform: translateY(-100%);
      opacity: 0;
    }    
    100%{
      transform: translateY(0);
      opacity: 1;
    }
}
button {
  padding: 17px 40px;
  border-radius: 50px;
  cursor: pointer;
  border: 0;
  align-items: center;
  background-color: white;
  box-shadow: rgb(0 0 0 / 5%) 0 0 8px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 15px;
  transition: all 0.5s ease;
}

button:hover {
  letter-spacing: 3px;
  background-color: hsl(261deg 80% 48%);
  color: hsl(0, 0%, 100%);
  box-shadow: rgb(93 24 220) 0px 7px 29px 0px;
}

button:active {
  letter-spacing: 3px;
  background-color: hsl(261deg 80% 48%);
  color: hsl(0, 0%, 100%);
  box-shadow: rgb(93 24 220) 0px 0px 0px 0px;
  transform: translateY(10px);
  transition: 100ms;
}
button{
  align-items: baseline;
}