Where to find where is the error in the adaptive version?

Question

Adaptive design

Something happened to the mobile layout, I can’t find where the error is, if you look from the phone it walks left and right

Code sheet

.block-index {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.block-title {
  margin-top: 2rem;
  width: 45%;
  display: flex;
  justify-content: center;
  font-style: normal;
  font-weight: bold;
  font-size: 38px;
  line-height: 46px;
  text-align: center;
  color: #454545;
  padding-bottom: 4px;
}

.why-us {
  margin-top: 6rem;
  width: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.underline-block {
  width: 10%;
  padding-bottom: 6px;
  border-bottom: 10px solid #fbc61a;
}

.block-index__information {
  width: 35%;
  margin-top: 6rem;
  margin-bottom: 6rem;
  font-style: normal;
  font-weight: 500;
  font-size: 20px;
  line-height: 40px;
  color: #454545;
}

.block-index__information-bold {
  color: #f0ac25;
  font-weight: 600;
}

.why-us__text {
  width: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.why-us__text-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.why-us__text-block:nth-child(1) {
  margin-top: 0rem;
}

.why-us__text-number {
  color: #f0ac25;
  font-weight: 600;
  font-size: 6rem;
}

.why-us__text-descrition {
  color: #454545;
  font-weight: 600;
  font-size: 14px;
}

.block-advantages {
  width: 50%;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.advantages-information {
  width: 33%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.advantages-information span {
  width: 70%;
  font-style: normal;
  font-weight: 550;
  font-size: 18px;
  line-height: 29px;
  text-align: center;
  color: #454545;
}

.image-sale {
  margin-top: 4rem;
}

.our-advantage {
  margin-top: 6rem;
  width: 100%;
  background: #fbc61a;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.our-advantage__title {
  margin-top: 2rem;
  font-style: normal;
  font-weight: bold;
  font-size: 48px;
  line-height: 59px;
  color: #ffffff;
}

.our-advantage__text {
  font-style: normal;
  font-weight: bold;
  font-size: 22px;
  line-height: 29px;
  color: #454545;
}

.our-advantage__blocks {
  margin-top: 4rem;
  margin-bottom: 6rem;
  width: 40%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.our-advantage__block {
  width: 362px;
  height: 175px;
  background: #ffffff;
  box-shadow: -10px 30px 80px rgba(109, 109, 109, 0.25);
  border-radius: 20px;
  display: flex;
  align-items: center;
  align-items: center;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.our-advantage__block img {
  margin-left: 1rem;
}

.our-advantage__block-texts {
  margin-left: 1rem;
}

.our-advantage__block-texts span {
  font-style: normal;
  font-weight: bold;
  font-size: 18px;
  line-height: 22px;
  color: #454545;
}

.our-advantage__block-texts p {
  font-style: normal;
  font-weight: 500;
  font-size: 14px;
  line-height: 17px;
  color: #454545;
}

.block-catalog__information {
  width: 35%;
  margin-top: 3rem;
  margin-bottom: 3rem;
  font-style: normal;
  font-weight: 500;
  font-size: 20px;
  line-height: 40px;
  color: #454545;
}

.block-catalog__photo {
  margin-top: 2rem;
  width: 60%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.block-catalog__photo-text {
  width: 40%;
  margin-top: 4rem;
  margin-bottom: 3rem;
  font-style: normal;
  font-weight: 500;
  font-size: 20px;
  line-height: 40px;
  color: #454545;
}

.block-catalog__photo-text2 {
  margin-top: 1rem;
  font-size: 1.3rem;
}

.block-catalog__photo-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  position: relative;
}

.photo-block__first {
  display: flex;
  justify-content: center;
  align-items: center;
}

.photo-block__second {
  top: 0;
  bottom: 40px;
  left: 0;
  right: 0;
  opacity: 0;
  background: linear-gradient(
    304.04deg,
    rgba(251, 198, 26, 0.85) 14.62%,
    rgba(239, 167, 22, 0.31) 83.36%
  );
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: all 0.2s ease-in;
}

.photo-block__second p {
  font-style: normal;
  font-weight: bold;
  font-size: 24px;
  color: #ffffff;
}

.photo-block__second span {
  font-style: normal;
  font-weight: 600;
  font-size: 48px;
  color: #ffffff;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.size-small {
  font-size: 40px !important;
}

.small-size-two {
  text-align: center;
  font-size: 36px !important;
}

.photo-block__second a {
  font-style: normal;
  font-weight: 600;
  font-size: 20px;
  color: #000000;
  text-decoration: none;
  transition: all 0.2s ease-in;
}

.photo-block__second a:hover {
  transition: all 0.2s ease-in;
  opacity: 0.5;
}

.block-catalog__photo-block:hover .photo-block__second {
  opacity: 1;
  transition: all 0.2s ease-in;
}

.block-service__photo {
  margin-top: 2rem;
  width: 60%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.block-service__photo-text {
  width: 40%;
  margin-top: 4rem;
  margin-bottom: 3rem;
  font-style: normal;
  font-weight: 500;
  font-size: 20px;
  line-height: 40px;
  color: #454545;
}

.block-service__photo-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  position: relative;
}

.service-block__first {
  display: flex;
  justify-content: center;
  align-items: center;
}

.service-block__second {
  top: 0;
  left: 0;
  right: 0;
  opacity: 0;
  bottom: 37px;
  padding-bottom: 10px;
  background: rgba(69, 69, 69, 0.47);
  border-radius: 20px;
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  transition: all 0.2s ease-in;
}

.service-block__second span {
  font-style: normal;
  font-weight: bold;
  font-size: 24px;
  line-height: 29px;
  color: #ffffff;
}

.service-block__second p {
  width: 90%;
  text-align: center;
  font-style: normal;
  font-weight: 600;
  font-size: 16px;
  line-height: 22px;
  color: #ffffff;
}

.service-block__second a {
  width: 70%;
  padding: 1rem;
  color: #ffffff;
  background: #efa716;
  box-shadow: 0px 4px 40px rgba(239, 167, 22, 0.38);
  border-radius: 40px;
  text-decoration: none;
  text-align: center;
  transition: all 0.2s ease-in;
}

.service-block__second a:hover {
  transition: all 0.2s ease-in;
  background: #000000;
}

.block-service__photo-block:hover .service-block__second {
  opacity: 1;
  transition: all 0.2s ease-in;
}

.service-text {
  margin-top: 0.5rem;
  font-style: normal;
  font-weight: bold;
  font-size: 20px;
  line-height: 29px;
  color: #454545;
}

.our-client {
  margin-top: 6rem;
  width: 100%;
  background: #efa716;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.our-client__title {
  margin-top: 2rem;
  font-style: normal;
  font-weight: bold;
  font-size: 48px;
  line-height: 59px;
  color: #ffffff;
}

Answer 1

*{
  border:1px solid red!important;
}

That's how you find the culprit.