* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  font-family: "Poppins", sans-serif;
}
.construction {
  width: 800px;
  margin: 0 auto;
  border-radius: 20px;
}
.ul {
  list-style-type: none;
}
.a-link {
  padding-left: 20px;
}
.ul li {
  padding-bottom: 20px;
}
.boxes {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  list-style-type: none;
}
.app-btn {
  width: 200px;
  padding: 10px 15px;
  margin: 10px;
  text-align: center;
  cursor: pointer;
  outline: none;
  color: #333;
  font-weight: 900;
  /* border: none; */
  border-radius: 10px;
  box-shadow: 0 9px #333;
}

.app-btn:hover {
  background-color: #273b7b;
  color: white;
}

.app-btn:active {
  background-color: white;
  color: black;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}