* {
  padding: 0;
  margin: 0;
}

body {
  background: -webkit-gradient(linear, left bottom, right top, color-stop(0%, rgba(255,255,0,1)), color-stop(4%, rgba(242,248,6,1)), color-stop(23%, rgba(182,218,36,1)), color-stop(36%, rgba(141,197,56,1)), color-stop(81%, rgba(0,128,128,1)));;
  color: white;
  font-family: Arial, Helvetica, sans-serif;
}

.wrapper {
  width: 900px;
  margin: 70px auto;
}

#header {
  color: white;
  text-align: center;
  padding-bottom: 40px;
}

#header a {
  text-decoration: none;
  color: white;
  font-size: 1.2em;
  padding-bottom: 5px;
  display: block;
}

#header input {
  background: #092B40;
  border: 3px solid white;
  height: 40px;
  color: white;
  box-shadow: 0;
  text-align: center;
  width: 400px;
  margin-bottom: 10px;
  padding-bottom: 3px;
  border-radius: 40px;
  font-size: 1.5em;
  outline: none;
}

#submit {
  color: white;
  padding: 9px;
  align-self: baseline;
  background: #092B40;
  border: 3px solid white;
  border-radius: 50px;
  font-size: 1.4em;
  outline: none;
}

#submit:hover {
  color: white;
  background: yellowgreen;
}

#main-content div {
  background-color: #f2f2f2;
  padding: 10px 30px;
  margin: 10px 0px 0px auto;
  color: black;
  width: 890px;
  display: none;
  float: right;
}

#main-content div p {
  padding-bottom: 5px;
}

#main-content div a {
  text-decoration: none;
  color: black;
  padding: 5px;
}

#main-content div h3 {
  padding-bottom: 5px;
}

#main-content div:hover {
  border-left: 10px solid red;
  background: pink;
}

h1 {
  font-size: 3em;
}

#footer {
  text-align: center;
  bottom: 0;
  width: 100%;
  margin: auto;
}