main.css

* {
  box-sizing: border-box;
}

body {
  background-color: #1e272e;
  font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif
}

.github-corner:hover .octo-arm {
	animation: octocat-wave 560ms ease-in-out
}

#title {
  font-size: 28px;
  color: #2f3542;
  border: 3px solid lightslategray;
  padding: .2em;
  border-radius: 5px;
  background-color: #70a1ff;
  text-align: center;
  margin-top: 0;
}

#wrapper {
  position: relative;
}

aside {
  width: 33.5%;
  position: absolute;
  height: 85vh;
  right: 0;
}

#instructions {
  border: 2px solid gray;
  margin-bottom: 15px;
  border-radius: 5px;
  color: #2f3542;
  background-color: #f1f2f6;
  max-height: 55px;
  overflow: hidden;
  transition: max-height 0.3s ease-out
}

#instructions.active {
  height: auto;
  max-height: 500px;
}

#instructions__header {
  padding: 1em;
  cursor: pointer;
  border-bottom: 1px solid #2f3542;
  display: flex;
  justify-content: space-between;
}

#instructions__content {
  padding: 0 2em 1em 2em;
}

#instructions__content ul {
  padding: 0;
}

#how {
  margin: 0;
}

#instructions li {
  margin-bottom: 1em
}

main {
  width: 65%;
}

main div {
  margin: 0.5em 0;
}

#password-length {
  width: 5em;
  padding: .2rem;
  text-align: center;
  font-size: .8em;
  border: none;
  border-radius: 5px;
}

.button{
  font-size: 1rem;
  border: none;
  padding: 5px 15px;
  border-radius: 4px;
  cursor: pointer;
  -webkit-transition: 0.2s;
  -o-transition: 0.2s;
  transition: 0.2s;
}

.button.generate {
  background-color: #70A1FF;
  color: #fff;
}
.button.generate:hover{
  background-color: #91b6fb;
}
.button.copy {
  background-color: powderblue;
  color: black;
}
.button.copy:hover{
  background-color: #b6e4eb;
}

#random-password-container {
  border: 2px solid gray;
  border-radius: 5px;
  background-color: #dfe4ea;
  padding: 1em;
}

#random-password {
  background-color: powderblue;
  padding: 1em;
  word-break: break-all;
}

input[type="number"]::-webkit-outer-spin-button, input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

#error-message{
  opacity: 0;
  animation: fadeIn 1s forwards;
  color: #D8000C;
}

#password-strength-container {
  border: 2px solid gray;
  border-radius: 5px;
  background-color: #dfe4ea;
  padding: 1em;
}

#password-strength-container .input-container {
  position: relative;
}

#password-test {
  width: 100%;
  border-radius: 5px;
  border: 2px solid gray;
  padding: 0.5em;
  outline: none;
}

#password-indicator {
  width: 100%;
  padding: 2px;
  border-radius: 5px;
  background: white;
}

#password-indicator.weak {
  background: linear-gradient(to right, #ff0000 25%, #fff 25%);
}

#password-indicator.average {
  background: linear-gradient(to right,#ff9900 50%,#fff 50%);
}

#password-indicator.good {
  background: linear-gradient(to right,#70A1FF 75%, #fff 75%);
}

#password-indicator.strong {
  background: linear-gradient(to right, #43f04c 100%, #43f04c 100%);
}

#password-toggle {
  font-size: .8em;
  float: right;
  position: absolute;
  right: 0.5em;
  top: 0.75em;
  color: #70A1FF;
  cursor: pointer;
}

@keyframes octocat-wave {
	0%, 100% {
		transform:rotate(0)
	}
	20%, 60% {
		transform:rotate(-25deg)
	}
	40%, 80% {
		transform:rotate(10deg)
	}
}

@keyframes fadeIn {
  from { opacity: 0 }
  to { opacity: 1 }
}

@media only screen and (max-width: 768px) {
	aside {
    position: relative;
    height: auto;
    width: 100%;
  }

  main {
    width: 100%;
  }
}