.side-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 250px;
  height: 100vh;
  background-color: rgb(236, 236, 236);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: white;
  font-family: Arial, sans-serif;
  font-weight: bold;
}

.hight-sidebar,
.low-sidebar {
  text-align: center;
  padding: 20px 0;
}

.middle-sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.side-bar a {
  text-decoration: none;
  padding: 10px 20px;
  border: none;
  background-color: rgb(236, 236, 236);
  color: rgb(13, 13, 13);
  transition: 0.3s;
  margin-bottom: 30px;
  padding: 15px 20px;
  text-align: center;
  width: 160px;
  font-weight: bold;
  border-radius: 30px;
}

.side-bar a:hover,
.side-bar .active {
  background-color: rgb(200, 200, 200);
  color: rgb(12, 12, 12);
}

.button-helps {
  width: 100px;
  padding: 3px 7px;
  margin-top: 13px;
  font-weight: bold;
  border-radius: 30px;
  cursor: pointer;
  background-color: rgb(236, 236, 236);
  border: none;
}

.button-helps:hover,
.button-helps:active {
  background-color: rgb(200, 200, 200);
  color: rgb(14, 14, 14);
}

.button-how-it-works {
  width: 160px;
  padding: 3px 7px;
  margin-bottom: 13px;
  font-weight: bold;
  border-radius: 30px;
  cursor: pointer;
  background-color: rgb(241, 240, 240);
  border: none;
}

.button-how-it-works:hover,
.button-how-it-works:active {
  background-color: rgb(200, 200, 200);
  color: rgb(14, 14, 14);
}