HTMLify

.bar {
  padding: 10px 12px;
  display: flex;
  justify-content: center;
  width: 25px;
  background: rgb(224, 81, 172);
  margin: 3px;
  border: 3.5px solid rgb(23, 23, 24);
  color: whitesmoke;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: rgb(70, 68, 68);
  font-family: 'Montserrat', sans-serif;
}
body .main_container {
  padding: 3rem;
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  flex-direction: column;
}
body .main_container #container {
  padding: 5rem 0rem;
  height: 80%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.btn {
  border-radius: 30px;
  font-size: 17px;
  font-weight: 400;
  padding: 1rem;
  margin: 0rem 1rem;
  border: 0;
  cursor: pointer;
  transition: ease-in 0.2s;
  box-shadow: 0.3rem 0.35rem 0 rgb(23, 23, 24);
  border: 3.5px solid rgb(23, 23, 24);
}

.btn:hover {
  font-size: 15px;
  color: whitesmoke;
  background-color: rgb(224, 81, 172);
  padding: 1rem;
  box-shadow: 0rem 0rem 0 rgb(23, 23, 24);
  border: 3.5px solid rgb(23, 23, 24);
}

.title_btn {
  border-radius: 30px;
  font-size: 25px;
  font-weight: 700;
  padding: 1rem 4rem;
  margin: 0rem 1rem;
  border: 0;
  transition: ease-in 0.2s;
  box-shadow: 0.3rem 0.35rem 0 rgb(23, 23, 24);
  border: 3.5px solid rgb(23, 23, 24);
  background-color: white;
}

@media screen and (width <= 400px) {
  .title_btn {
    padding: 0.6rem 2rem;
    font-size: 18px;
  }
}