@font-face {
font-family: 'light', sans-serif;
    src: url('Siemens_Sans_Roman.eot');
    src: local('☺'), url('Siemens_Sans_Roman.woff') format('woff'), url('Siemens_Sans_Roman.ttf') format('truetype'), url('Siemens_Sans_Roman.svg') format('svg');
    font-weight: normal;
    font-style: normal;
}

@font-face {
font-family: 'normal', sans-serif;
    src: url('Siemens_Sans_Roman.eot');
    src: local('☺'), url('Siemens_Sans_Roman.woff') format('woff'), url('Siemens_Sans_Roman.ttf') format('truetype'), url('Siemens_Sans_Roman.svg') format('svg');
    font-weight: normal;
    font-style: normal;
}

@font-face {
font-family: 'bold', sans-serif;
    src: url('Siemens_Sans_Bold.eot');
    src: local('☺'), url('Siemens_Sans_Bold.woff') format('woff'), url('Siemens_Sans_Bold.ttf') format('truetype'), url('Siemens_Sans_Bold.svg') format('svg');
    font-weight: 700;
    font-style: normal;
}

@font-face {
font-family: 'back', sans-serif;
    src: url('Siemens_Sans_Black.eot');
    src: local('☺'), url('Siemens_Sans_Black.woff') format('woff'), url('Siemens_Sans_Black.ttf') format('truetype'), url('Siemens_Sans_Black.svg') format('svg');
    font-weight: 900;
    font-style: normal;
}