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

html {
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  line-height: 1.5rem;
  background-image: url(images/bg-top.svg), url(images/bg-bottom.svg);
  background-position: right top, left bottom;
  background-repeat: no-repeat;
  background-color: #f7f7ff;
}

main {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  place-items: center;
  padding-top: 15rem;
}

.section {
  padding-top: 5rem;
  text-align: center;
  justify-content: center;
}

.slider {
  padding: 0.9rem;
  border-radius: 25px;
  width: 3rem;
  background: hsl(237, 63%, 64%);
  border: none;
  cursor: pointer;
  position: relative;
}

.slider:hover {
  background: hsl(236, 72%, 79%);
}

.slide-btn {
  padding-top: 2rem;
}

.slider::before {
  content: "";
  position: absolute;
  background-color: white;
  border-radius: 10px;
  height: 20px;
  width: 20px;
  bottom: 3.3px;
  right: 6px;
  transition: 0.3s;
  transform: translate(5px);
}

.left-slide::before {
  right: 18px;
  transform: translate(-5px);
}

.plan {
  padding: 1rem;
  color: hsl(234, 14%, 74%);
}

.title {
  text-align: center;
  color: hsl(233, 13%, 49%);
}

.grid {
  display: flex;
  flex-direction: row;
  justify-content: center;
}

.main-grid {
  background-color: white;
  border-radius: 20px;
  padding: 1rem;
  width: 340px;
}

.main-title {
  font-size: 11px;
  color: hsl(233, 13%, 49%);
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.purple {
  background: linear-gradient(hsl(236, 72%, 79%), hsl(237, 63%, 64%));
  transform: scale(1.07);
  width: 320px;
}

.pricing {
  font-size: 3rem;
  padding: 3rem;
  padding-top: 0;
  padding-bottom: 4.5rem;
  border-bottom: 1px solid hsl(234, 14%, 74%);
  color: hsl(232, 13%, 33%);
  position: relative;
}

.pricing h3 {
  position: absolute;
  width: 70%;
}

.hidden {
  visibility: hidden;
}

.pro {
  color: white;
}

.learn-pro {
  width: 100%;
  padding: 0.8rem;
  background: hsl(240, 78%, 98%);
  border: none;
  color: hsl(237, 63%, 64%);
  text-transform: uppercase;
  font-family: "Montserrat", sans-serif;
  border-radius: 5px;
  margin-top: 1rem;
  cursor: pointer;
}

.learn-pro:hover {
  background: linear-gradient(hsl(236, 72%, 79%), hsl(237, 63%, 64%));
  color: hsl(240, 78%, 98%);
  border: 1px solid white;
}

li {
  list-style: none;
  padding: 1rem;
  font-size: 14px;
  color: hsl(233, 13%, 49%);
  border-bottom: 1px solid hsl(234, 14%, 74%);
  align-self: center;
}

ul {
  padding-bottom: 1rem;
}

.learn {
  width: 90%;
  padding: 0.8rem;
  background: linear-gradient(hsl(236, 72%, 79%), hsl(237, 63%, 64%));
  border: none;
  color: white;
  text-transform: uppercase;
  font-family: "Montserrat", sans-serif;
  border-radius: 5px;
  margin-top: 1rem;
  cursor: pointer;
}

.learn:hover {
  background: hsl(240, 78%, 98%);
  color: hsl(237, 63%, 64%);
  border: 1px solid gray;
}

@media screen and (max-width: 900px) {
  main {
    padding-top: 5rem;
  }

  .grid {
    display: flex;
    flex-direction: column;
  }

  .main-grid {
    margin-bottom: 2rem;
  }

  .purple {
    transform: none;
    width: auto;
  }

  .main-title {
    font-size: 11px;
    color: hsl(233, 13%, 49%);
    padding-top: 1rem;
    padding-bottom: 3rem;
  }

  .learn-pro {
    width: 90%;
  }
}