diff --git a/.gitignore b/.gitignore
index 3511440..c16cdf3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,9 @@
# OS essentials
.idea
+.DS_Store/
+research/.DS_Store
+group/.DS_Store
+images/.DS_Store
# developing templates
research/idea_template.html
diff --git a/group/overview.html b/group/overview.html
index 33ae37e..8f16016 100644
--- a/group/overview.html
+++ b/group/overview.html
@@ -19,19 +19,19 @@
Meet Our Team
diff --git a/research/GRB_cosmology.html b/research/GRB_cosmology.html
index 6590b3b..c1ee5c8 100644
--- a/research/GRB_cosmology.html
+++ b/research/GRB_cosmology.html
@@ -22,19 +22,19 @@ GRBs for Cosmological Distances
diff --git a/research/agn_jet_dynamics_and_cosmic_ray_interact.html b/research/agn_jet_dynamics_and_cosmic_ray_interact.html
index c23b135..9542c0b 100644
--- a/research/agn_jet_dynamics_and_cosmic_ray_interact.html
+++ b/research/agn_jet_dynamics_and_cosmic_ray_interact.html
@@ -22,19 +22,19 @@ AGN Jet Dynamics and Cosmic Ray Interactions
diff --git a/research/exoplanet_atmospheres.html b/research/exoplanet_atmospheres.html
index 2cc66f8..8869caf 100644
--- a/research/exoplanet_atmospheres.html
+++ b/research/exoplanet_atmospheres.html
@@ -22,19 +22,19 @@ Exoplanet Atmospheres
diff --git a/research/solar_cosmic_rays.html b/research/solar_cosmic_rays.html
index 7037dc8..b451fe7 100644
--- a/research/solar_cosmic_rays.html
+++ b/research/solar_cosmic_rays.html
@@ -22,19 +22,19 @@ Solar Cosmic Rays
diff --git a/research/supernova_research.html b/research/supernova_research.html
index 6dc62ad..4ee97ca 100644
--- a/research/supernova_research.html
+++ b/research/supernova_research.html
@@ -22,19 +22,19 @@ Supernova Research