html {
  font-family: "Tahoma", sans-serif;
  font-size: 10px;
}

section {
  padding: 10% 0;
}

img {
  height: 100%;
}

h2 {
  font-size: 3rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 7%;
}

.main {
  padding: 3% 0;
}
.main__img {
  height: 50rem;
}
.main__img img {
  display: block;
  margin: 0 auto;
}
.main-text__title {
  font-size: 4.8rem;
  font-weight: bold;
}
.main-text__autor {
  font-size: 3rem;
  margin-top: 2%;
}
.main-text__descr {
  font-size: 1.8rem;
  color: #7a716e;
  line-height: 1.3;
  max-width: 50.8rem;
  margin-top: 5%;
}
.main-text__price {
  font-size: 4.8rem;
  color: #313131;
  margin-top: 6%;
}

.button {
  background-color: #f15921;
  color: #fff;
  font-size: 2.4rem;
  font-weight: bold;
  padding: 1.5rem 4rem;
  border-radius: 5px;
  outline: none;
  border: 1px solid transparent;
  margin-top: 6%;
}
.button:hover {
  background-color: #ea4a0f;
  cursor: pointer;
}
.button-o {
  background-color: transparent;
  color: #f15921;
  padding: 1.5rem 3rem;
  border: 1px solid #f15921;
  margin-left: 4rem;
}
.button-o:hover {
  background-color: #f2f2f2;
}

.bring {
  background-color: #f2f2f2;
}
.bring-mode__img {
  text-align: center;
  min-height: 5rem;
}
.bring-mode__text {
  font-size: 1.8rem;
  line-height: 1.5;
  text-align: center;
  margin: auto;
  margin-top: 10%;
  max-width: 25rem;
}

.clients-img {
  max-width: 26rem;
  padding: 1.3rem 0;
  margin: 0 auto;
}
.clients-img img {
  width: 100%;
}

@media (max-width: 991px) {
  section {
    padding: 10% 0;
  }

  .main {
    padding-bottom: 10%;
  }
  .main__img {
    height: 40rem;
  }
  .main-text {
    text-align: center;
  }
  .main-text__title {
    margin-top: 5%;
  }
  .main-text__descr {
    margin: 0 auto;
    margin-top: 5%;
  }

  .bring-mode__img {
    margin-top: 10%;
  }
  .bring-mode__text {
    margin-top: 2%;
    margin-bottom: 5%;
  }
}
@media (max-width: 575px) {
  h2 {
    font-size: 2.4rem;
  }

  .main-text__title {
    font-size: 3.2rem;
  }

  .button {
    display: block;
    margin: 6% auto;
  }

  .bring-mode__img {
    margin-top: 10%;
  }

  .clients-img {
    margin: 0 auto;
  }
}