index.css

body {
  margin: 30px;
  font-family: sans-serif;
}
#input-el {
  margin-top: 5px;
  padding: 5px;
  width: fit-content;
  font-weight: bold;
  color: white;
  background: none;
  border: none;
  border-bottom: 1px solid white;
}
#input-el:focus {
  outline: none;
}
p {
  color: red;
  margin: 5px 0px 0 0;
}
.selection {
  text-align: center;
  margin: 10px 0 0 8px;
  min-width: 25px;
  padding: 5px;
  color: #047857;
  font-weight: bold;
  background: white;
  border-radius: 3px;
}
.selection:hover {
  color: white;
  background: #4adf86;
  cursor: pointer;
}
.container {
  width: 300px;
  background: #1f2937;
  margin: 0 auto;
  padding: 20px 30px;
  border-radius: 10%;
}
.heading {
  font-size: 30px;
  color: white;
  font-weight: bolder;
  margin: 5px;
}
.highlight {
  color: #4adf86;
  font-size: 30px;
}
#generate-btn {
  font-weight: bold;
  margin: 10px 2px 20px 2px;
  background: #4adf86;
  border: none;
  padding: 10px 15px 10px 15px;
  color: white;
  border-radius: 5px;
}
#generate-btn:hover {
  background: #32866e;
  cursor: pointer;
}
hr {
  opacity: 20%;
}
.password {
  margin: 20px auto;
  width: 250px;
  height: 20px;
  color: #4adf86;
  background: #273549;
  padding: 15px 15px 15px 15px;
  border-radius: 5px;
}
.lowerContainer {
  text-align: center;
  display: block;
}