html {
  background-color: #000000ea;
}

body {
  margin: 0;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #84ef8e;
  padding: 5px;
}

header h1 {
  padding: 0 10px;
  margin: 0;
}

a,
a:visited,
a:hover,
a:active {
  color: #84ef8e;
  text-decoration: none;
}

main {
  background-color: #282828c4;
  height: auto;
  width: 75vw;
  border: 3px #84ef8e solid;
  border-radius: 20px;
  box-shadow: 0px 0px 10px black;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  text-align: center;
  margin: 10em auto;
}

#logo {
  width: 400px;
}

.container {
  margin: 25px;
  padding: 25px;
  width: 400px;
  border: 2px solid #84ef8e;
  border-radius: 20px;
  box-shadow: 0px 0px 10px black;
  background-color: #393939;
  transition: 1s;
  animation: fade 1s;
}

.container:hover {
  box-shadow: 0px 0px 10px white;
  transition: 1s;
}

button {
  padding: 10px;
  margin: 10px;
  font-family: "Ubuntu Mono";
  background: #4d4d4d;
  box-shadow: 0px 0px 5px black;
  border: 2px solid #84ef8e;
  border-radius: 10px;
  color: white;
  transition: 0.5s;
  animation: fade 1s;
}

button:hover {
  border: 2px solid white;
  box-shadow: 0px 0px 10px white;
  transition: 0.5s;
  color: #84ef8e;
  background: #393939;
}

footer button {
  width: 100px;
  border: 2px rgb(104, 104, 104) solid;
}

@keyframes fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media screen and (max-width: 1000px) {
  body {
    height: auto;
  }
  section {
    width: auto;
    height: auto;
    display: flex;
    margin: 5px;
    flex-direction: column;
  }
}