input[type="search"] {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

header #search-block-form {
  padding: 0px 15px;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
  -webkit-flex-flow: row wrap;
      -ms-flex-flow: row wrap;
          flex-flow: row wrap;
}

#search-block-form {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}