Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
muffin-devel
muffin-devel(x86-64)
pkgconfig(libmuffin)
pkgconfig(muffin-plugins)

Requires :

libgdk-3.so.0()(64bit)
libc.so.6()(64bit)
libcairo-gobject.so.2()(64bit)
libICE.so.6()(64bit)
libXfixes.so.3()(64bit)
pkgconfig(cinnamon-desktop)
libgbm.so.1()(64bit)
libdrm.so.2()(64bit)
libgirepository-1.0.so.1()(64bit)
rtld(GNU_HASH)
libjson-glib-1.0.so.0()(64bit)
muffin(x86-64) = 2.8.5-1.el7
libXext.so.6()(64bit)
libgtk-3.so.0()(64bit)
libgio-2.0.so.0()(64bit)
libGL.so.1()(64bit)
libmuffin.so.0()(64bit)
pkgconfig(x11)
libpangocairo-1.0.so.0()(64bit)
pkgconfig(gtk+-3.0)
libcinnamon-desktop.so.4()(64bit)
libXi.so.6()(64bit)
rpmlib(PayloadIsXz) <= 5.2-1
libEGL.so.1()(64bit)
libatk-1.0.so.0()(64bit)
libcanberra.so.0()(64bit)
libcanberra-gtk3.so.0()(64bit)
libgobject-2.0.so.0()(64bit)
libgmodule-2.0.so.0()(64bit)
libXdamage.so.1()(64bit)
libcogl-pango.so.20()(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libSM.so.6()(64bit)
libXcursor.so.1()(64bit)
libX11.so.6()(64bit)
libXrender.so.1()(64bit)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libcogl.so.20()(64bit)
libpthread.so.0()(64bit)
libXcomposite.so.1()(64bit)
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
libstartup-notification-1.so.0()(64bit)
libcairo.so.2()(64bit)
libXinerama.so.1()(64bit)
libc.so.6(GLIBC_2.4)(64bit)
/usr/bin/pkg-config
libm.so.6()(64bit)
libglib-2.0.so.0()(64bit)
libgdk_pixbuf-2.0.so.0()(64bit)
libclutter-1.0.so.0()(64bit)
libXrandr.so.2()(64bit)
pkgconfig(clutter-1.0)
libcogl-path.so.20()(64bit)
libpango-1.0.so.0()(64bit)

Content of RPM :
/usr/bin/muffin-theme-viewer
/usr/bin/muffin-window-demo
/usr/include/muffin
/usr/include/muffin/meta
/usr/include/muffin/meta/atomnames.h
/usr/include/muffin/meta/boxes.h
/usr/include/muffin/meta/common.h
/usr/include/muffin/meta/compositor-muffin.h
/usr/include/muffin/meta/compositor.h
/usr/include/muffin/meta/display.h
/usr/include/muffin/meta/errors.h
/usr/include/muffin/meta/gradient.h
/usr/include/muffin/meta/group.h
/usr/include/muffin/meta/keybindings.h
/usr/include/muffin/meta/main.h
/usr/include/muffin/meta/meta-background-actor.h
/usr/include/muffin/meta/meta-plugin.h
/usr/include/muffin/meta/meta-shadow-factory.h
/usr/include/muffin/meta/meta-shaped-texture.h
/usr/include/muffin/meta/meta-window-actor.h
/usr/include/muffin/meta/prefs.h
/usr/include/muffin/meta/preview-widget.h
/usr/include/muffin/meta/screen.h
/usr/include/muffin/meta/theme.h
/usr/include/muffin/meta/types.h
/usr/include/muffin/meta/util.h
/usr/include/muffin/meta/window.h
/usr/include/muffin/meta/workspace.h
/usr/lib64/libmuffin.so
/usr/lib64/pkgconfig/libmuffin.pc
There is 39 files more in these RPM.