body {
  font-family: monospace;
  background-color: #738bb9;
  color: white;
  font-size: 15px;
}

.header {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
  text-align: center;
  letter-spacing: 5px;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

li {
    float: right;
}

li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover:not(.active) {
    background-color: #111;
}

.active {
    background-color: #2959b3;
}

textarea {
    background-color: #111;
    color: white;
    border: none;
    resize: none;
    overflow: hidden;
    margin: auto;
    width: 100%;
    height: 500px;
}

* {box-sizing: border-box}

.container {
  position: relative;
  border-radius: 5px;
  background-color: #2f3e5f;
  padding: 10px 10px 20px 10px;
  margin-top: 25px;
  font-size: 20px;
  width: 100%;
  display: table;
}

.left-submit {
  position: absolute;
  border-radius: 5px;
  width: 50%;
  left: 0px;
  background-color: #2f3e5f;
  padding: 10px 20px 17px 20px;
}

.right-result {
  position: absolute;
  border-radius: 5px;
  width: 50%;
  right: 0px;
  padding: 10px 20px 20px 20px;
  background-color: #2f3e5f;
}

input,
.btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 4px;
  margin: 5px 0;
  opacity: 0.85;
  display: inline-block;
  font-size: 17px;
  line-height: 20px;
  text-decoration: none;
  font-family: monospace;
}

input:hover,
.btn:hover {
  opacity: 1;
}

/* style the submit button */
input[type=submit] {
  background-color: #154cb3;
  color: white;
  cursor: pointer;
}

input[type=submit]:hover {
  background-color: #2959b3;
}
