* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
  
    --primary-text-color: #181820;
    --secondary-text-color: #5c5c62;
    --durability-text-color: #6a737d9c;
    --icon-color: #6a737d;
    --border-color: #ff9a0045;
    --text-decoration-color: #ff9a00;
  }
  
  .container {
    margin: 0 auto;
    padding: 0 30px;
    max-width: 900px;
  }
  
  .fh {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  
  .fv {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  
  .resume {
    margin: 50px auto;
    border: 1px solid #f5f5f5;
    box-shadow: 1px 1px 7px 7px #f5f5f5;
    padding: 30px 0;
    max-width: 900px;
  }
  
  .resume__block {
    border-bottom: 3px solid var(--border-color);
    padding-bottom: 30px;
    margin-bottom: 15px;
  }
  
  @media screen and (max-width: 576px) {
    .main-info,
    .contact_info_container {
      flex-direction: column;
    }
  
    .contact_info_container {
      align-items: center;
    }
  
    .contact-info__block:not(:last-child) {
      margin-bottom: 20px;
    }
  
    .experiences {
      margin-right: 0;
    }
  }

  .contact-info__header,
.contact-info__sub-header {
  text-align: center;
}

.contact-info__header {
  color: var(--primary-text-color);
  margin-bottom: 15px;
  text-decoration-color: blue;
  text-decoration-line: underline;
}

.contact-info__sub-header {
  color: var(--secondary-text-color);
  margin-bottom: 30px;
}

.contact-info__block {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info__block--center {
  justify-content: center;
}

.contact-info__item {
  color: var(--secondary-text-color);
  text-decoration: none;
  display: flex;
  justify-content: start;
}

.contact-info__item:not(:last-child) {
  margin-bottom: 20px;
}

.contact-info__item-icon-wrapper {
  margin-right: 10px;
  width: 20px;
  display: flex;
  justify-content: center;
}

.contact-info__item-icon path {
  fill: var(--icon-color);
}

.contact-info__item-icon {
  height: 1.1428rem;
  vertical-align: text-bottom;
}

.contact-info__avatar {
  border-radius: 0%;
  width: 150px;
  height: 150px;
  object-fit: cover;
  border: 6px solid;
  border-color: blue;
}

Intro and skills styles

.intro {
  display: flex;
  justify-content: start;
}

.intro__icon-wrapper {
  margin-right: 30px;
  width: 30px;
  display: flex;
  justify-content: left;
  color: orangered;
  zoom: 250%;
}

.intro__icon {
  height: 1.1428rem;
  vertical-align: text-bottom;
}

.intro__icon path {
  fill: var(--text-decoration-color);
}

.intro_text {
  color: var(--secondary-text-color);
  text-align: justify;
}

.skills__header {
  color: var(--secondary-text-color);
  text-align: center;
  margin-bottom: 15px;
}

.skills__text {
  color: var(--secondary-text-color);
  text-align: justify;
}
Experience and additional info styles

.experiences {
    flex: 1 1 60%;
    margin-right: 50px;
  }

.experiences--border {
    border-right: 2px solid lightblue;
    padding-right: 20px; 
    margin-right: 20px; 
}

.experiences__header {
  color: orangered;
  text-align: left;
  margin-bottom: 20px;
}

.experiences__company-header-durability {
  color: darkblue;
  text-align: left;
  margin-bottom: 5px;
  font-size: 15px;
}

.experiences__company-header-name {
  color: darkblue;
  text-decoration-color: darkblue;
  text-decoration-line: underline;
  text-align: left;
  margin-bottom: 5px;
}

.experiences__company-project {
  margin-left: 15px;
  margin-bottom: 25px;
}

.experiences__company-project-role {
  color: darkred;
  font-weight: bold;
  text-align: left;
  margin-bottom: 10px;
  font-size: 15px;
}

.experiences__company-project-name {
  color: var(--primary-text-color);
  text-align: left;
  margin-bottom: 10px;
}

.experiences__company-project-responsibilities {
  color: var(--secondary-text-color);
  padding-left: 15px;
}

.additional-info {
  flex: 1 1 40%;
  align-self: flex-end;
}

.additional-info__education {
  margin-bottom: 20px;
  vertical-align: text-top;
}

.additional-info__education-header {
  color: orangered;
  text-align: left;
  margin-bottom: 20px;
}

.additional-info__education-university-durability {
  color: red;
  text-align: left;
  margin-bottom: 10px;
  font-size: 15px;
}

.additional-info__education-university-speciality {
  color: var(--primary-text-color);
  text-align: left;
  margin-bottom: 10px;
}

.additional-info__education-university-name {
  color: var(--secondary-text-color);
}

.additional-info__languages {
  margin-bottom: 20px;
}

.additional-info__languages-header {
  color: orangered;
  text-align: left;
  margin-bottom: 20px;
}

.additional-info__languages-item {
  color: rgb(3, 69, 3);
}

.additional-info__languages-list {
    color:rgb(3, 69, 3);
    padding-left: 20px;
}

.additional-info__interests {
  margin-bottom: 20px;
}

.additional-info__interests-header {
  color: orangered;
  text-align: left;
  margin-bottom: 20px;
}

.additional-info__interests-item {
  color: var(--secondary-text-color);
}
.additional-info__interests-list {
    color:grey;
    padding-left: 20px;
}