delete the before arrow on index

generator/templates/static/styles.css

@@ -447,7 +447,7 @@ blockquote+p, .event-infos+blockquote {
   margin: 0;
   margin-bottom: 0.5em;
 }
-section.event-summary a::before {
+/*section.event-summary a::before {
   content: '';
   background: url(images/jump-arrow.svg) no-repeat;
   display: block;
@@ -455,7 +455,7 @@ section.event-summary a::before {
   width: 45px;
   padding-bottom: 20px;
   float: left;
-}
+}*/
 section.event-summary a::after {
     content: '';
     background: url(images/jump-arrow.svg) no-repeat;

generator/templates/static/styles.simple.css

@@ -165,6 +165,7 @@ h1 {
   -webkit-text-stroke-color: var(--bleu-bille);
   color: white;
   margin: 0;
+  margin-bottom: 0.15em;
   /* display: none; */
 }
 
@@ -517,7 +518,6 @@ a.tag {
 .trajectory-list section.trajectory--item h2.produser {
 
     text-align: center;
-    margin: auto;
     margin-bottom: auto;
     display: block;
     font-size: 1.6em;