* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 1400px;
  margin: auto;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
}
.title-big {
  font-size: 50px;
  color: var(--color-title);
  font-weight: 500;
}
.text-content {
  font-size: 18px;
  color: var(--color-textcontent);
}
.btn {
  padding: 15px 20px;
  background-color: var(--main-color);
  border-radius: 10px;
  transition: 0.2s ease-in-out;
  border: none;
  color: white;
  font-weight: 600;
}
.btn:hover {
  opacity: 0.8;
}