@font-face {
            font-family: "IBMPlexSans-Regular";
            src: url("IBMPlexSans-Regular.woff") format("woff");
            font-display: swap;
            font-style: normal;
            font-weight: normal;
            font-variant: normal;
          }

          @font-face {
            font-family: "IBMPlexSerif-Regular";
            src: url("IBMPlexSerif-Regular.woff") format("woff");
            font-display: swap;
            font-style: normal;
            font-weight: normal;
            font-variant: normal;
          }

          @font-face {
            font-family: "IBMPlexSerif-Light";
            src: url("IBMPlexSerif-Light.woff") format("woff");
            font-display: swap;
            font-style: normal;
            font-weight: normal;
            font-variant: normal;
          }

          @font-face {
            font-family: "IBMPlexSans-Medium";
            src: url("IBMPlexSans-Medium.woff") format("woff");
            font-display: swap;
            font-style: normal;
            font-weight: normal;
            font-variant: normal;
          }