* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Ubuntu', sans-serif;
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  color: #344A5E;
}
.central-content {
  display: flex;
  flex-grow: 1;
  flex-shrink: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.bottom-content {
  height: 116px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.caption {
  margin-top: 15px;
  text-align: center;
}
.big-text {
  font-weight: 500;
  font-size: 18px;
}
.small-text {
  font-size: 14px;
}
.ref {
  font-size: 14px;
  color: #0279C0;
  text-decoration: none;
}
.ref:hover {
  text-decoration: underline;
}
.pic {
  margin-bottom: 15px;
}
.b-text_lang_ru {
  display: none;
}

.banner {
    width: 100%;
}
.banner-desktop {
    display: block;
}
.banner-mobile {
    display: none;
}

@media (max-width: 475px) {
   .banner-desktop {
        display: none;
    }
    .banner-mobile {
        display: block;
    } 
}

body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#222;background:#f6f8f6;}
header,section,footer{max-width:1100px;margin:0 auto;padding:20px;}
h1{font-size:34px;margin:0 0 20px;color:#157d5a;}
h2{color:#157d5a;margin:30px 0 15px;font-size:26px;}
p{line-height:1.8;margin:0 0 15px;}
ul{margin:0 0 25px 22px;padding:0;line-height:1.7;}
a.cta{display:inline-block;background:#157d5a;color:#fff;text-decoration:none;padding:16px 34px;border-radius:6px;font-weight:700;}
a.cta:hover{background:#149d6f;}
footer{font-size:13px;color:#555;text-align:center;}
strong{color:#000;}