Please check the path folder have that font or not.
If you inspect and check the console If folder not have that font it show error so you can identity folder have or have not font.
And you need to call types of font
@font-face {
font-family: 'fontnameinfolder';
src: url('fontnameinfolder.eot');
src: url('fontnameinfolder.eot?#iefix') format('embedded-opentype'),
url('fontnameinfolder.woff2') format('woff2'),
url('fontnameinfolder.woff') format('woff'),
url('fontnameinfolder.ttf') format('truetype'),
url('fontnameinfolder.svg#fontnameinfolder') format('svg');
}
If you get any one type font(ttf,eot etc..) you can able to convert all other format the font using lot online font convertor website in online.
Convert font put into folder all above types of font and call like above in css.