body {
  font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
    "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
  color: rgb(0, 0, 0);
  background: linear-gradient(#93cafd, #b9ffb7);
  background-size: 150% 150%;
  font-size: 19px;
}

header {
  text-align: center;
  background: url(web-img.jpg);
  background-repeat: no-repeat;
  background-attachment: fixed ;
  -webkit-background-size: cover ;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  padding-top: 90px;
  padding-bottom: 90px;

 
}
h1 {
  color: white;
  font-size: 65px;
  letter-spacing: .2rem;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  text-shadow: rgb(145, 145, 145) 4px 0 10px;
}
h2 {
  color: white;
  font-size: 55px;
  letter-spacing: .2rem;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  text-shadow: rgb(145, 145, 145) 4px 0 10px;
}

h3 {
  font-size: 28px;
}

section {
  margin-left: 11%;
  margin-right: 11%;
}

.start {
  border: 2px solid black;
  padding: 2px 2px 2px 3px;
  width: 50%;
}
footer {
  background-size: 300%;
  width: 100%;
  background-color: rgb(26, 41, 88);
  color: rgb(190, 190, 190);
  padding-top: 25px;
  padding-left: 200px;
  padding-bottom: 25px;
}
a {
  text-decoration: none;
  color: white ;
}