* {
  margin: 0;
  padding: 0;
}

body {
  width: 650px;
  margin: 7vh auto;
  font-family: Arial;
  color: #4A4A4A;
}

h1 {
  text-align: left;
  padding-bottom: 15px;
  color: #7D7D7D;
  font-size: 40px;
}

ul {
  list-style: none;
  margin-bottom: 15px;
}

ul li {
  margin: 3px 0;
}

  ul li input {
    margin-right: 5px;
  }

input[name=kd] {
  padding: 10px 20px;
  border: 1px solid lightgray;
  border-radius: 5px;
  margin-bottom: 15px;
  color: #444444;
  text-align: left;
  width: calc(100% - 40px);
  font-size: 20px;
  border-bottom: 3px solid lightgray;
}

  input[name=kd]:focus {
    border-bottom: 3px solid #8BC34A;
  }

input[name=del] {
  padding: 6px 15px;
  border: 1px solid lightgray;
  border-radius: 5px;
  text-align: center;
  width: 28px;
  margin-left: 5px;
}

.action {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

  .action button, button[name=gen] {
    border: 0;
    background: #74D030;
    color: white;
    font-size: 15px;
    border-radius: 5px;
    padding: 5px 20px;
    cursor: pointer;
    transition: background 0.3s;
  }

  .action button:hover, button[name=gen]:hover {
    background: #70C72F;
  }

button[name=kod], button[name=dek] {
  align-items: flex-start;
}

select[name=sf] {
  padding: 5px 15px;
  border: 1px solid lightgray;
  border-radius: 5px;
  position: relative;
  top: -1px;
}

.input, .result {
  border: 1px solid lightgray;
  border-radius: 5px;
  position: relative;
}

.input label {
  position: absolute;
  top: -28px;
  left: 15px;
  background: white;
  padding: 5px 10px;
  color: #7D7D7D;
  font-size: 35px;
  font-weight: bold
}

.bottom {
  background: #F3F3F3;
  padding: 20px;
}

.result {
  margin-top: 15px;
  background: #C4F99D;
  font-size: 20px;
  padding: 10px 20px;
}

.generated-result {
  background: #E8F4FF;
  border-color: #A9CEF0;
}

.encoded-result {
  background: #C4F99D;
}

  .result p {
    display: block;
    word-wrap: break-word;
    margin: 5px 0;
  }

  .result h4 {
    margin-top: 5px;
  }

.copy {
  cursor: pointer;
}

  .copy:hover {
    text-decoration: underline;
  }