diff --git a/Kitodo/src/main/webapp/WEB-INF/resources/css/kitodo.css b/Kitodo/src/main/webapp/WEB-INF/resources/css/kitodo.css
index 6373dd00102..20a9e0aa029 100644
--- a/Kitodo/src/main/webapp/WEB-INF/resources/css/kitodo.css
+++ b/Kitodo/src/main/webapp/WEB-INF/resources/css/kitodo.css
@@ -1663,10 +1663,6 @@ h3#headerText.calendar-heading {
     vertical-align: top;
 }
 
-#calendarDayDialog .ui-inputtextarea{
-    height: 50px;
-}
-
 #calendarDayDialog .metadata-value-label {
     vertical-align: top;
     margin-left: var(--default-half-size);
diff --git a/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarBlocks.xhtml b/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarBlocks.xhtml
index 8d3cb998795..367f1716876 100644
--- a/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarBlocks.xhtml
+++ b/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarBlocks.xhtml
@@ -85,7 +85,7 @@
                         <p:commandButton action="#{CalendarForm.addIssue(block)}"
                                          value="#{msgs['calendar.issue.add']}"
                                          icon="fa fa-plus"
-                                         styleClass="secondary"
+                                         styleClass="callto"
                                          iconPos="right"
                                          title="#{msgs['calendar.issue.add']}"
                                          update="editForm:calendarTabView:calendarDetailsLayout"/>
@@ -101,7 +101,6 @@
                             <p:column headerText="#{msgs['name']}" width="200" >
                                 <p:inputText value="#{issue.heading}"
                                              id="issueName"
-                                             required="true"
                                              styleClass="input-with-button" >
                                     <p:ajax event="blur" listener="#{block.checkIssuesWithSameHeading()}"
                                             update="editForm:calendarTabView:calendarDetailsLayout"/>
@@ -113,7 +112,6 @@
                             <p:column headerText="#{msgs['calendar.day.1']}"
                                       width="30">
                                 <p:selectBooleanCheckbox value="#{issue.monday}"
-                                                         disabled="#{issue.heading eq ''}"
                                                          title="#{msgs['calendar.day.1']}">
                                     <p:ajax event="change"
                                             update="editForm:calendarTabView:calendarDetailsLayout"/>
@@ -122,7 +120,6 @@
                             <p:column headerText="#{msgs['calendar.day.2']}"
                                       width="30">
                                 <p:selectBooleanCheckbox value="#{issue.tuesday}"
-                                                         disabled="#{issue.heading eq ''}"
                                                          title="#{msgs['calendar.day.2']}">
                                     <p:ajax event="change"
                                             update="editForm:calendarTabView:calendarDetailsLayout"/>
@@ -131,7 +128,6 @@
                             <p:column headerText="#{msgs['calendar.day.3']}"
                                       width="30">
                                 <p:selectBooleanCheckbox value="#{issue.wednesday}"
-                                                         disabled="#{issue.heading eq ''}"
                                                          title="#{msgs['calendar.day.3']}">
                                     <p:ajax event="change"
                                             update="editForm:calendarTabView:calendarDetailsLayout"/>
@@ -140,7 +136,6 @@
                             <p:column headerText="#{msgs['calendar.day.4']}"
                                       width="30">
                                 <p:selectBooleanCheckbox value="#{issue.thursday}"
-                                                         disabled="#{issue.heading eq ''}"
                                                          title="#{msgs['calendar.day.4']}">
                                     <p:ajax event="change"
                                             update="editForm:calendarTabView:calendarDetailsLayout"/>
@@ -149,7 +144,6 @@
                             <p:column headerText="#{msgs['calendar.day.5']}"
                                       width="30">
                                 <p:selectBooleanCheckbox value="#{issue.friday}"
-                                                         disabled="#{issue.heading eq ''}"
                                                          title="#{msgs['calendar.day.5']}">
                                     <p:ajax event="change"
                                             update="editForm:calendarTabView:calendarDetailsLayout"/>
@@ -158,7 +152,6 @@
                             <p:column headerText="#{msgs['calendar.day.6']}"
                                       width="30">
                                 <p:selectBooleanCheckbox value="#{issue.saturday}"
-                                                         disabled="#{issue.heading eq ''}"
                                                          title="#{msgs['calendar.day.6']}">
                                     <p:ajax event="change"
                                             update="editForm:calendarTabView:calendarDetailsLayout"/>
@@ -167,7 +160,6 @@
                             <p:column headerText="#{msgs['calendar.day.7']}"
                                       width="30">
                                 <p:selectBooleanCheckbox value="#{issue.sunday}"
-                                                         disabled="#{issue.heading eq ''}"
                                                          title="#{msgs['calendar.day.7']}">
                                     <p:ajax event="change"
                                             update="editForm:calendarTabView:calendarDetailsLayout"/>
@@ -218,7 +210,7 @@
                              iconPos="right"
                              value="#{msgs['calendar.block.remove']}"
                              title="#{msgs['calendar.block.remove']}"
-                             styleClass="remove-block"
+                             styleClass="remove-block secondary"
                              style="display: inline-block"
                              update="editForm:calendarTabView:calendarDetailsLayout">
                 <p:confirm severity="alert"
diff --git a/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarDayDialog.xhtml b/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarDayDialog.xhtml
index 1ff2346d35b..8970f7f01d1 100644
--- a/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarDayDialog.xhtml
+++ b/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarDayDialog.xhtml
@@ -111,7 +111,7 @@
                                                 <p:inputTextarea value="#{metadata.startValue}"
                                                                  rendered="#{metadata.metadataDetail.input eq 'inputTextarea'}"
                                                                  styleClass="input"
-                                                                 style="width: 60%; height: 55px"
+                                                                 style="width: 60%;"
                                                                  title="#{msgs['calendar.metadata.startValue']}">
                                                     <p:ajax event="blur" update="calendarDayForm"/>
                                                 </p:inputTextarea>