* {
  padding: 0;
  margin: 0;
}

.centered_content {
  display: flex;
  align-items: center;
  justify-content: center;
}
.row_dir {
  display: flex;
  flex-direction: row;
  align-items: center;
}
.col_dir {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.h_centered {
  margin: 0 auto;
}
.button {
  padding: 10px 15px;
  background-color: var(--secondary-site-color);
  color: var(--primary-site-color);
  border: none;
  border-radius: 10px;

  transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
}
.button:hover {
  cursor: pointer;
  background-color: var(--highlight-site-color);
  color: var(--secondary-site-color);
  box-shadow: 0 0 5px 5px var(--shadow-color);
}
.hot_button {
  color: var(--primary-bg-color);
  background-color: var(--highlight-site-color);
  box-shadow: 0 0 5px 5px var(--shadow-color);
  transition: box-shadow 0.5s, color 0.5s;
}
.hot_button:hover {
  color: var(--secondary-site-color);
  box-shadow: 0 0 10px 10px var(--highlight-shadow-color);
}
.square_button {
  padding: 0;
  width: 50px;
  height: 50px;
}
.rotate_left {
  rotate: -90deg;
}
.rotate_right {
  rotate: 90deg;
}
.w_100 {
  width: 100px;
}
.border {
  border: 3px solid black;
}
.header {
  font-size: 5rem;
}