* {
  padding: 0;
  margin: 0;
  text-decoration: none;
  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
}

header .head {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  align-items: center;
  background-color: rgb(34, 71, 151);
  backdrop-filter: blur(50px);
  padding-top: 15px;
}

nav {
  display: flex;
  flex-direction: row;
  gap: 0 40px;
}

nav a {
  color: white;
  font-size: 16px;
  transition: 0.3s;
  margin: 0 20px;
}

.active {
  text-decoration: underline;
  color: #efb810;
}

nav a:not(.active):hover {
  color: #efb810;
}

.icons {
  color: white;
  font-size: 40px;
  display: none;
}

.bx {
  color: white;
  font-size: 30px;
}

.contact {
  display: flex;
  align-items: center;
  margin: 20px;
}

.contact a {
  color: white;
  font-size: 16px;
  transition: 0.3s;
}

.contact a:hover {
  color: #efb810;
}

header img {
  width: 80px;
}

.wellcome {
  text-align: center;
}

.wellcome h1 {
  margin-top: 120px;
  color: white;
  font-size: 50px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
}

.wellcome h2 {
  margin-top: 120px;
  margin-bottom: 140px;
  color: white;
  font-size: 40px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
}

.wellcome a {
  background-color: rgb(0, 81, 255);
  padding: 20px;
  border-radius: 15px;
  color: white;
  font-weight: bold;
}

#sidebar-active {
  display: none;
}

.open-sidebar-button,
.close-sidebar-button {
  display: none;
}

@media (max-width: 900px) {
  header .head {
    display: flex;
    flex-direction: column;
  }

  .head {
    gap: 10px;
  }
}