* {
  margin: 0;
  padding: 0;
  font-family: Arial;
  -webkit-tap-highlight-color: transparent
}
#body {
  padding: 2em;
  margin-top: 50px;
  margin-bottom: 50px;
}
li {
  margin-left: 2em;
}
h2 {
  margin-top: 2em;
}
p {
  margin-top: 1em;
}
header {
  background: #525558;
  position: fixed;
  left: 0px;
  top: 0px;
  width: 100%;
}
#logo {
  display: inline-block;
  height: 40px;
  width: 150px;
  vertical-align: top;
}
nav {
  display: inline-block;
}
nav > ul {
  margin: 0px;
}
nav li {
  background: #759eff;
  list-style: none;
  padding: 5px;
  user-select: none;
}
nav > ul > li > ul > li  {
  background: #75c7ff;
}
nav > ul > li > ul > li:hover {
  background: #ffa43a;
}
nav > ul > li {
  display: inline-block;
  height: 40px;
  line-height: 40px;
  padding: 0px 5px;
}
nav li a {
  color: black;
  text-decoration: none;
  display: block;
}
nav > ul > li > ul {
  display: none;
}
nav > ul > li:hover > ul {
  display: block;
  position: absolute;
  margin-left: -5px;
}
footer {
  position: fixed;
  left: 0px;
  bottom: 0px;
  width: 100%;
  padding: 1em;
  background: #ffbf75;
}
#featured_tools {
  text-align: center;
}
.ftool {
  display: inline-block;
  background: #75c7ff;
  text-align: center;
  width: 20%;
  height: 100px;
  line-height: 100px;
  margin-left: 5px;
  margin-top: 5px;
}
.ftool:hover {
  background: #ffa43a;
}
.ftool a {
  display: block;
  cursor: pointer;
  color: black;
  text-decoration: none;
  font-weight: bold;
}
#text_count, #convert_text {
  border-radius: 10px;
  border: 3px solid #759eff;
  width: 90vw;
  height: 50vh;
  padding: 1em
}
.center {
  text-align: center;
}
#to_lower_case, #to_upper_case {
  border-radius: 5px;
  border: none;
  background: #ffa43a;
  padding: 5px;
  cursor: pointer;
  font-size: 18px;
}