@charset "UTF-8";

/*tela*/

* {
  margin: 0px;
  padding: 0px;
}
html {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1em;
  background-color: white;
}
header {
  background-color: grey;
  color: white;
  text-align: center;
  height: 100px;
  padding: 30px 0px 0px 15px;
}
h1, h2{
    color: black;
    font-family: 'Courier New', Courier, monospace;

}
header ul {
  list-style: none;
  text-align: left;
  position: absolute;
  top: 80px;
}
header li {
  display: inline-block;
  font: italic 600 1em Arial, Helvetica, sans-serif;
  padding: 5px;
  margin: 10px 10px;
  background: rgba(211, 211, 211, 0.341);
  border-radius: 10px;
  transition-duration: 1s;
}
header li:hover{
    background-image: radial-gradient(to right, black, gray);
    color: white;
}
main{
    padding: 15px;
    background-color: rgb(96, 96, 96);
    width: 50%;
    text-align: center;
    margin: auto;
}
article{
    background-color: lightgray;
    border-radius: 5px;
}
article p{
    padding: 10px;
    line-height: 2;
    margin: 10px;
}