*,
*::before,
*::after {
  box-sizing: border-box;
}
ul[class],
ol[class] {
  padding: 0;
}
body,
h1,
h2,
h3,
h4,
p,
ul[class],
ol[class],
figure,
blockquote,
dl,
dd {
  margin: 0;
}
body {
  min-height: 100vh;
  scroll-behavior: smooth;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
}
ul[class],
ol[class] {
  list-style: none;
}
a:not([class]) {
  text-decoration-skip-ink: auto;
}
article > * + * {
  margin-top: 1em;
}
input,
button,
textarea,
select {
  font: inherit;
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
/*https://medium.com/@stasonmars/современный-сброс-css-f5816963c82b*/
body {
    font-family: "Open Sans", sans-serif;
    -moz-osx-font-smoothing: grayscale;
    font-weight: 400;
  }
  a:link {
    text-decoration: none;
  }

  hr {
      height: 3px;
      background-color: #054d6e;
  }
/*******************/
  .header_text {
    color: grey;
    font-size: 20px;
}
/*****************/
.wrapper {
    max-width: 1170px;
    margin: auto;
  }
  
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 10px;
    max-height: 200px;
  }
  
  header img {
    max-width: 280px;
  }
  
  /*
  text block
  */
  .text__block {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 30px;
    color: rgb(253, 251, 248);
    /* background-color: #e14744; */
    background-color: #1b3379;
    font-size: 18px;
    line-height: 1.6em;
  }
  
  .text__title {
    margin: 10px 0px;
  }
  
  .advantage {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 30px;
    background-color: #f5f5f5;
  }
  
  .advantage__block {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  
  .block__item {
    max-width: 400px;
    border: 1px solid rgb(185, 174, 174);
    border-radius: 10px;
    padding: 10px;
    margin: 20px 5px;
  }
  
  .block__title {
    text-align: center;
    padding: 10px 0px;
  }
  
  .block__text {
    line-height: 1.6em;
    font-size: 18px;
  }
  
  /*
  main
  */
  
  .main {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: auto;
  }
  
  .main__items {
    max-width: 450px;
    border: 1px solid rgb(185, 174, 174);
    border-radius: 10px;
    padding: 30px;
    margin: 20px 25px;
  }
  
  .t-block-name {
      text-align: center;
      margin-bottom: 10px;
  }
  
  .req{
      font-weight: 700;
      line-height: 1.6em;
  }
  
  .main__items__row {
      display: flex;
      justify-content: space-between;
      line-height: 1.6em;
  }
  
  .main::after {
      content: "";
      flex: auto;
  }
  
  /*
  footer
  */
  
  footer {
      display: flex;
      background-color: #054d6e;
      color: whitesmoke;
      justify-content: space-between;
      padding: 20px;
      font-size: 18px;
  }
  
  .foot_logo {
      max-width: 240px;
  
  }
  
  .footer_ico {
      margin-right: 8px;
      margin-top: 8px;
  }