* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  max-width: 1200px;
  margin: 0 auto;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
header {
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: 30px 0 20px 0;
}
h1 {
  font-size: 37px;
}
p {
  font-size: 23px;
}
p a {
  color: black;
  text-decoration: none;
}
article {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 50px;
  text-align: center;
  margin-top: 60px;
  margin-bottom: 40px;
}
aside {
  display: flex;
  gap: 60px;
  justify-content: center;
  margin-top: 30px;
}
aside a {
  width: 220px;
  text-align: center;
  text-decoration: none;
  font-size: 27px;
  border: 1px solid;
  padding: 25px;
  border-radius: 20px;
}
.altçizgi {
  margin-top: 60px;
  margin-bottom: 40px;
}
h2 {
  text-align: center;
  font-size: 27px;
  margin-bottom: 50px;
}
.footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 50px;
  margin: 0 30px 0 30px;
}
.footer div {
  border: 1px solid;
  padding: 25px;
  border-radius: 20px;
}
.footer div h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.ortayazı {
  margin: 0 0 0 0;
}
.enaltçizgi {
  margin-top: 50px;
}
.altkısım {
  text-align: center;
}
body {
  background-color: #f9f9f9;
}
a:hover {
  color: #ff6600;
}
a:last-child:hover {
  color: rgb(84, 84, 252);
}
/* Header */
header {
  background-color: #f9f9f9;
  color: black;
}

/* Butonlar */
aside a {
  border: 1px solid #7c7878;
  color: black;
}
aside a:hover {
  background-color: #ff6600;
  color: #f9f9f9;
  border-color: #ffa366;
  transform: scale(1.1);
  transition: all 0.3s ease;
}

/* Kartlar */
.footer div {
  border: 1px solid #7c7878;
  color: #222;
}
.footer div:hover {
  transform: scale(1.03);
  transition: 0.4s ease all;
}
/* Alt kısım */
.altkısım {
  padding: 30px;
  color: #555;
}
#CSS:hover {
  background-color: rgb(84, 84, 252);
  border: 1px solid rgb(84, 84, 252);
  color: white;
}
.footerdiv {
  border: 1px solid;
  padding: 25px;
  border-radius: 20px;
}