@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 300;
    src: url('https://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf') format('truetype');
    font-display: swap;
}

@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 600;
    src: url('https://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf') format('truetype');
    font-display: swap;
}

#header #search_block_top .btn.button-search {
    background: #607d8b;
}