* {
    margin: 0; padding: 0; border: 0; box-sizing: border-box;
}

body, #container {
    min-height: 1250px;
    background-image: url(https://images.unsplash.com/photo-1550895030-823330fc2551?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=987&q=80);
background-size: cover;
background-repeat: no-repeat;
    font-family: verdana;

}
article {
  
  margin: 48px 8px 8px 8px; padding: 40px 8px 8px 8px;
  font-size: 1.8rem;
  min-height: 200px;
  position: relative;
}

article h2 {
  background-color: black;
  font-family: var(--font2); font-size: 2.2rem;
  letter-spacing: 4px;
  display: inline-block;
  padding: 8px;
  position: absolute; left: 88px; top: 0;
  transform: translateY(-50%);
  
}

.flex-container {
  display: flex; 
  justify-content: space-between;
  margin: 24px 0px;
  gap: 16px;
}

.flex-item {
  flex: 1 0 auto;
  background-color: lightgray;
  padding: 8px;
}

h3 {
  font-weight: bold;
  margin-bottom: 8px;
}
h1 {
    font-size: 7em;
    font-family: monospace;
    text-align: center;
    border: .2em solid white;
    background-color: darkgray;
   
}
h2 {
    font-size: 3em;
    font-family: monospace;
    text-align: center;
    color: olive;
    padding-top: 50px;
}
h3 {
    font-size: 2rem;
    text-align: left;
    
}
button {
    border: 4px outset #333;
    padding: 8px;
    margin: 2px 2px 2px #222;
    max-width: 90px;
    text-align: left;
}
.menu1dClosed, .menu1dOpened {
    width: 64px; height: 64px;
    position: relative;
  }

  .m1d1, .m1d2, .m1d3 {
    width: 48px; height: 8px;
    background-color: #222;
    position: absolute;
    transition: all .6s ease-in-out;
    }

  .menu1dClosed .m1d1 {
    left: 6px; top: 10px;
    transform: rotate(0deg);
  }

  .menu1dClosed .m1d2 {
    left: 6px; top: 26px;
    transform: rotate(0deg);
  }

  .menu1dClosed .m1d3 {
    left: 6px; top: 42px;
    transform: rotate(0deg);
  }

  .menu1dOpened .m1d1 {
    left: 6px; top: 26px;
    transform: rotate(225deg);
  }

  .menu1dOpened .m1d2 {
    left: 6px; top: 28px;
    transform: rotate(225deg);
    opacity: 0;
  }

  .menu1dOpened .m1d3 {
    left: 6px; top: 26px;
    transform: rotate(315deg);
  }

  
  .m2d1, .m2d2, .m2d3  {
    width: 48px; height: 8px;
    background-color: #222;
    position: absolute;
    transition: all .6s ease-in-out;
   
  }
  .menu1eClosed, .menu1eOpened {
    width: 64px; height: 64px;
    position: relative;
  }
  
  .menu1eClosed .m2d1 {
    left: -10px; top: 25px;
    transform: rotate(90deg);
  }

  .menu1eClosed .m2d2 {
    left: 5px; top: 25px;
    transform: rotate(90deg);
  }

  .menu1eClosed .m2d3 {
    left: 20px; top: 25px;
    transform: rotate(90deg);
  }

  .menu1eOpened .m2d1 {
    left: 6px; top: 26px;
    transform: rotate(225deg);
  }

  .menu1eOpened .m2d2 {
    left: 6px; top: 28px;
    transform: rotate(270deg);
   
  }

  .menu1eOpened .m2d3 {
    left: 6px; top: 26px;
    transform: rotate(315deg);
  }
  .t2d1, .t2d2, .t2d3  {
    width: 35px; height: 8px;
    background-color: #222;
    position: absolute;
    transition: all .6s ease-in-out;
   
  }
  .menu1fClosed, .menu1fOpened {
    width: 64px; height: 64px;
    position: relative;
  }
  
  .menu1fClosed .t2d1 {
    left: -2px; top: 25px;
    transform: rotate(45deg);
  }

  .menu1fClosed .t2d2 {
    left: 13px; top: 25px;
    transform: rotate(45deg);
  }

  .menu1fClosed .t2d3 {
    left: 28px; top: 25px;
    transform: rotate(45deg);
  }

  .menu1fOpened .t2d1 {
    left: -2px; top: 25px;
    transform: rotate(495deg);
  }

  .menu1fOpened .t2d2 {
    left: 13px; top: 25px;
    transform: rotate(495deg);
   
  }

  .menu1fOpened .t2d3 {
    left: 28px; top: 25px;
    transform: rotate(495deg);
  }.y2d1, .y2d2, .y2d3  {
    width: 40px; height: 8px;
    background-color: #222;
    position: absolute;
    transition: all .6s ease-in-out;
   
  }
  .menu1gClosed, .menu1gOpened {
    width: 64px; height: 64px;
    position: relative;
  }
  

  .menu1gClosed .y2d1 {
    left: 8px; top: 10px;
    transform: rotate(0deg);
  }

  .menu1gClosed .y2d2 {
    left: 8px; top: 26px;
    transform: rotate(135deg);
  }

  .menu1gClosed .y2d3 {
    left: 8px; top: 42px;
    transform: rotate(0deg);
  }

  .menu1gOpened .y2d1 {
    left: 6px; top: 26px;
    transform: rotate(225deg);
  }

  .menu1gOpened .y2d2 {
    left: 6px; top: 28px;
    transform: rotate(225deg);
    opacity: 0;
  }

  .menu1gOpened .y2d3 {
    left: 6px; top: 26px;
    transform: rotate(315deg);
  }

  .p2d1, .p2d2, .p2d3, .p2d4  {
    width: 38px; height: 8px;
    background-color: #222;
    position: absolute;
    transition: all .6s ease-in-out;
   
  }
  .menu1hClosed, .menu1hOpened {
    width: 64px; height: 64px;
    position: relative;
  }
  

  .menu1hClosed .p2d1 {
    left: 8px; top: 10px;
    transform: rotate(0deg);
  }

  .menu1hClosed .p2d2 {
    left: -10px; top: 26px;
    transform: rotate(90deg);
  }

  .menu1hClosed .p2d3 {
    left: 8px; top: 42px;
    transform: rotate(0deg);
  }
  .menu1hClosed .p2d4 {
    left: 25px; top: 26px;
    transform: rotate(90deg);
  }

  .menu1hOpened .p2d1 {
    left: 6px; top: 26px;
    transform: rotate(-225deg);
  }

  .menu1hOpened .p2d2 {
    left: 6px; top: 28px;
    transform: rotate(225deg);
    opacity: 0;
  }

  .menu1hOpened .p2d3 {
    left: 6px; top: 26px;
    transform: rotate(-315deg);
  }
  .menu1hOpened .p2d4 {
    left: 6px; top: 26px;
    transform: rotate(315deg);
    opacity: 0;
  }

p {
    text-align: center;
    font-size: 2em;
    padding-top: 40px;
    font-weight: bolder;
}

.code_sample { text-align: center;
    font-size: 3em;
    white-space: nowrap;
    padding-top: 30px;
    font-weight: bolder;
 }

 .code_sample, .code_explanation {
    flex: 1 0 50%;
 }
 

 a[href^="https"] {
    background-image: url(lock\ \(1\).svg);
    background-repeat: no-repeat;
    padding-left: 20px;
    background-position: 0 2px;
 }

 footer {
    font-size: 2em;
    text-align: right;

 }