diff --git a/static/grandlyon-cut/_custom.scss b/static/grandlyon-cut/_custom.scss
index 52105a6..35ab1e6 100644
--- a/static/grandlyon-cut/_custom.scss
+++ b/static/grandlyon-cut/_custom.scss
@@ -332,16 +332,6 @@ div#main-content {
                 -moz-column-count: 2;
                 -webkit-column-count: 2;
                 column-gap: 3em;
-                &.mouse_scroll {
-                    display: block;
-                    margin: 0 auto;
-                    width: 28px;
-                    height: 100px;
-                    margin-top: 25px;
-                    column-count: 1;
-                    -moz-column-count: 1;
-                    -webkit-column-count: 1;
-                }
                 @media screen and (max-width: $mobile-limit) {
                     column-count: 1;
                     -moz-column-count: 1;
@@ -1033,75 +1023,6 @@ div#nav {
     display: none;
 }
 
-/* scroll down animation effect                         */
-/* credits from https://codepen.io/rightblog/pen/EagNMN */
-
-.m_scroll_arrows {
-    display: block;
-    width: 5px;
-    height: 5px;
-    -ms-transform: rotate(45deg); /* IE 9 */
-    -webkit-transform: rotate(45deg); /* Chrome, Safari, Opera */
-    transform: rotate(45deg);
-    border-right: 2px solid #000;
-    border-bottom: 2px solid #000;
-    margin: 0 0 3px 4px;
-    width: 16px;
-    height: 16px;
-}
-
-.one {
-    margin-top: 1px;
-    -webkit-animation-delay: .1s;
-    -moz-animation-delay: .1s;
-    -webkit-animation-direction: alternate;
-}
-
-.one, .two, .three {
-    -webkit-animation: mouse-scroll 1s infinite;
-    -moz-animation: mouse-scroll 1s infinite;
-}
-
-.two {
-    -webkit-animation-delay: .2s;
-    -moz-animation-delay: .2s;
-    -webkit-animation-direction: alternate;
-    margin-top: -6px;
-}
-
-.three {
-    -webkit-animation-delay: .3s;
-    -moz-animation-delay: .3s;
-    -webkit-animation-direction: alternate;
-    margin-top: -6px;
-}
-
-
-.mouse {
-    height: 42px;
-    width: 24px;
-    border-radius: 14px;
-    transform: none;
-    border: 2px solid #000;
-    top: 170px;
-}
-
-.wheel {
-    height: 5px;
-    width: 2px;
-    display: block;
-    margin: 5px auto;
-    background: white;
-    position: relative;
-    height: 4px;
-    width: 4px;
-    border: 2px solid #000;
-    -webkit-border-radius: 8px;
-    border-radius: 8px;
-    -webkit-animation: mouse-wheel 0.6s linear infinite;
-    -moz-animation: mouse-wheel 0.6s linear infinite;
-}
-
 /* a2 password widgets */
 .helptext.a2-password-ok, .helptext.a2-password-nok {
   background: #d5eee0;
@@ -1129,51 +1050,3 @@ div#nav {
 		background: #fbd3d3;
 	}
 }
-
-@-webkit-keyframes mouse-wheel {
-    0% {
-        opacity: 1;
-        -webkit-transform: translateY(0);
-        -ms-transform: translateY(0);
-        transform: translateY(0);
-    }
-
-    100% {
-        opacity: 0;
-        -webkit-transform: translateY(6px);
-        -ms-transform: translateY(6px);
-        transform: translateY(6px);
-    }
-}
-
-@-moz-keyframes mouse-wheel {
-    0% { top: 1px; }
-    25% { top: 2px; }
-    50% { top: 3px;}
-    75% { top: 2px;}
-    100% { top: 1px;}
-}
-
-@-webkit-keyframes mouse-scroll {
-    0%   { opacity: 0;}
-    50%  { opacity: .5;}
-    100% { opacity: 1;}
-}
-
-@-moz-keyframes mouse-scroll {
-    0%   { opacity: 0; }
-    50%  { opacity: .5; }
-    100% { opacity: 1; }
-}
-
-@-o-keyframes mouse-scroll {
-    0%   { opacity: 0; }
-    50%  { opacity: .5; }
-    100% { opacity: 1; }
-}
-
-@keyframes mouse-scroll {
-    0%   { opacity: 0; }
-    50%  { opacity: .5; }
-    100% { opacity: 1; }
-}