diff --git a/crabfit-frontend/src/components/AvailabilityEditor/AvailabilityEditor.tsx b/crabfit-frontend/src/components/AvailabilityEditor/AvailabilityEditor.tsx
index f6b1085..5153588 100644
--- a/crabfit-frontend/src/components/AvailabilityEditor/AvailabilityEditor.tsx
+++ b/crabfit-frontend/src/components/AvailabilityEditor/AvailabilityEditor.tsx
@@ -87,7 +87,10 @@ const AvailabilityEditor = ({
     								{isSpecificDates && <DateLabel>{parsedDate.format('MMM D')}</DateLabel>}
     								<DayLabel>{parsedDate.format('ddd')}</DayLabel>
 
-    								<Times>
+                    <Times
+                      borderRight={last}
+                      borderLeft={x === 0 || (parsedDate).diff(isSpecificDates ? dayjs(dates[x-1], 'DDMMYYYY') : dayjs().day(dates[x-1]), 'day') > 1}
+                    >
     									{timeLabels.map((timeLabel, y) => {
     										if (!timeLabel.time) return null;
     										if (!times.includes(`${timeLabel.time}-${date}`)) {
diff --git a/crabfit-frontend/src/components/AvailabilityViewer/AvailabilityViewer.tsx b/crabfit-frontend/src/components/AvailabilityViewer/AvailabilityViewer.tsx
index 1d7cbf4..4a0e313 100644
--- a/crabfit-frontend/src/components/AvailabilityViewer/AvailabilityViewer.tsx
+++ b/crabfit-frontend/src/components/AvailabilityViewer/AvailabilityViewer.tsx
@@ -46,6 +46,7 @@ const AvailabilityViewer = ({
 }) => {
 	const [tooltip, setTooltip] = useState(null);
   const timeFormat = useSettingsStore(state => state.timeFormat);
+  const highlight = useSettingsStore(state => state.highlight);
   const [filteredPeople, setFilteredPeople] = useState([]);
   const [touched, setTouched] = useState(false);
   const [tempFocus, setTempFocus] = useState(null);
@@ -118,7 +119,10 @@ const AvailabilityViewer = ({
     								{isSpecificDates && <DateLabel>{parsedDate.format('MMM D')}</DateLabel>}
     								<DayLabel>{parsedDate.format('ddd')}</DayLabel>
 
-    								<Times>
+    								<Times
+                      borderRight={last}
+                      borderLeft={i === 0 || (parsedDate).diff(isSpecificDates ? dayjs(dates[i-1], 'DDMMYYYY') : dayjs().day(dates[i-1]), 'day') > 1}
+                    >
     									{timeLabels.map((timeLabel, i) => {
     										if (!timeLabel.time) return null;
     										if (!times.includes(`${timeLabel.time}-${date}`)) {
@@ -140,6 +144,7 @@ const AvailabilityViewer = ({
     												aria-label={peopleHere.join(', ')}
     												maxPeople={tempFocus !== null ? 1 : Math.min(max, filteredPeople.length)}
     												minPeople={tempFocus !== null ? 0 : Math.min(min, filteredPeople.length)}
+                            highlight={highlight}
     												onMouseEnter={(e) => {
     													const cellBox = e.currentTarget.getBoundingClientRect();
     													const wrapperBox = wrapper?.current?.getBoundingClientRect() ?? { x: 0, y: 0 };
diff --git a/crabfit-frontend/src/components/AvailabilityViewer/availabilityViewerStyle.ts b/crabfit-frontend/src/components/AvailabilityViewer/availabilityViewerStyle.ts
index 31d5155..cb9960e 100644
--- a/crabfit-frontend/src/components/AvailabilityViewer/availabilityViewerStyle.ts
+++ b/crabfit-frontend/src/components/AvailabilityViewer/availabilityViewerStyle.ts
@@ -36,6 +36,19 @@ export const Times = styled.div`
 	display: flex;
 	flex-direction: column;
 	background-color: ${props => props.theme.text};
+  border-top: 1px solid transparent;
+  border-bottom: 1px solid transparent;
+
+  ${props => props.borderLeft && `
+    border-left: 1px solid transparent;
+    border-top-left-radius: 3px;
+    border-bottom-left-radius: 3px;
+  `}
+  ${props => props.borderRight && `
+    border-right: 1px solid transparent;
+    border-top-right-radius: 3px;
+    border-bottom-right-radius: 3px;
+  `}
 `;
 
 export const DateLabel = styled.label`
@@ -56,6 +69,7 @@ export const Time = styled.div`
 	height: 10px;
 	margin: 1px;
 	background-color: ${props => props.theme.background};
+  background-origin: border-box;
 
 	${props => props.time.slice(2, 4) !== '00' && `
 		margin-top: -1px;
@@ -66,10 +80,20 @@ export const Time = styled.div`
 		border-top: 2px dotted ${props.theme.text};
 	`}
 
-	background-image: linear-gradient(
-		${props => `${props.theme.primary}${Math.round((props.peopleCount/props.maxPeople)*255).toString(16)}`},
-		${props => `${props.theme.primary}${Math.round((props.peopleCount/props.maxPeople)*255).toString(16)}`}
-	);
+  ${props => props.highlight && props.peopleCount === props.maxPeople ? `
+    background-image: repeating-linear-gradient(
+      45deg,
+  	  ${props.theme.primary},
+  	  ${props.theme.primary} 4.3px,
+  	  ${props.theme.primaryDark} 4.3px,
+  	  ${props.theme.primaryDark} 8.6px
+  	);
+  ` : `
+  	background-image: linear-gradient(
+  		${`${props.theme.primary}${Math.round((props.peopleCount/props.maxPeople)*255).toString(16)}`},
+  		${`${props.theme.primary}${Math.round((props.peopleCount/props.maxPeople)*255).toString(16)}`}
+  	);
+  `}
 `;
 
 export const Spacer = styled.div`
@@ -174,7 +198,7 @@ export const Person = styled.button`
 
   ${props => props.filtered && `
     background: ${props.theme.primary};
-    color: ${props.theme.background};
+    color: #FFFFFF;
     border-color: ${props.theme.primary};
   `}
 `;
diff --git a/crabfit-frontend/src/components/GoogleCalendar/GoogleCalendar.tsx b/crabfit-frontend/src/components/GoogleCalendar/GoogleCalendar.tsx
index 7031326..f4f38b8 100644
--- a/crabfit-frontend/src/components/GoogleCalendar/GoogleCalendar.tsx
+++ b/crabfit-frontend/src/components/GoogleCalendar/GoogleCalendar.tsx
@@ -48,6 +48,9 @@ const GoogleCalendar = ({ timeZone, timeMin, timeMax, onImport }) => {
 
   const importAvailability = () => {
     setFreeBusyLoading(true);
+    gtag('event', 'google_cal_sync', {
+      'event_category': 'event',
+    });
     window.gapi.client.calendar.freebusy.query({
       timeMin,
       timeMax,
@@ -145,11 +148,12 @@ const GoogleCalendar = ({ timeZone, timeMin, timeMax, onImport }) => {
           )}
           {calendars !== undefined && (
             <>
-              <Info>Importing will overwrite your currently inputted availability</Info>
+              <Info>Importing will overwrite your current availability</Info>
               <Button
                 buttonWidth="170px"
                 buttonHeight="35px"
                 isLoading={freeBusyLoading}
+                disabled={freeBusyLoading}
                 onClick={() => importAvailability()}
               >Import availability</Button>
             </>
diff --git a/crabfit-frontend/src/components/Legend/Legend.tsx b/crabfit-frontend/src/components/Legend/Legend.tsx
index 978d317..f26fe71 100644
--- a/crabfit-frontend/src/components/Legend/Legend.tsx
+++ b/crabfit-frontend/src/components/Legend/Legend.tsx
@@ -1,4 +1,5 @@
 import { useTheme } from '@emotion/react';
+import { useSettingsStore } from 'stores';
 
 import {
 	Wrapper,
@@ -15,16 +16,23 @@ const Legend = ({
 	...props
 }) => {
 	const theme = useTheme();
+  const highlight = useSettingsStore(state => state.highlight);
+  const setHighlight = useSettingsStore(state => state.setHighlight);
 
 	return (
 		<Wrapper>
 			<Label>{min}/{total} available</Label>
 
-			<Bar onMouseOut={() => onSegmentFocus(null)}>
+			<Bar
+        onMouseOut={() => onSegmentFocus(null)}
+        onClick={() => setHighlight(!highlight)}
+        title="Click to highlight highest availability"
+      >
 				{[...Array(max+1-min).keys()].map(i => i+min).map(i =>
 					<Grade
             key={i}
             color={`${theme.primary}${Math.round((i/(max))*255).toString(16)}`}
+            highlight={highlight && i === max}
             onMouseOver={() => onSegmentFocus(i)}
           />
 				)}
diff --git a/crabfit-frontend/src/components/Legend/legendStyle.ts b/crabfit-frontend/src/components/Legend/legendStyle.ts
index 3d53896..7ca7f67 100644
--- a/crabfit-frontend/src/components/Legend/legendStyle.ts
+++ b/crabfit-frontend/src/components/Legend/legendStyle.ts
@@ -39,4 +39,14 @@ export const Bar = styled.div`
 export const Grade = styled.div`
 	flex: 1;
 	background-color: ${props => props.color};
+
+  ${props => props.highlight && `
+    background-image: repeating-linear-gradient(
+      45deg,
+  	  ${props.theme.primary},
+  	  ${props.theme.primary} 4.5px,
+  	  ${props.theme.primaryDark} 4.5px,
+  	  ${props.theme.primaryDark} 9px
+  	);
+  `}
 `;
diff --git a/crabfit-frontend/src/components/Settings/Settings.tsx b/crabfit-frontend/src/components/Settings/Settings.tsx
index 576dd39..53e8b84 100644
--- a/crabfit-frontend/src/components/Settings/Settings.tsx
+++ b/crabfit-frontend/src/components/Settings/Settings.tsx
@@ -58,6 +58,16 @@ const Settings = () => {
           value={store.theme}
           onChange={value => store.setTheme(value)}
         />
+
+        <ToggleField
+          label="Highlight highest availability"
+          name="highlight"
+          id="highlight"
+          title="Make the highest availability on the heatmap stand out"
+          options={['Off', 'On']}
+          value={store.highlight ? 'On' : 'Off'}
+          onChange={value => store.setHighlight(value === 'On')}
+        />
       </Modal>
     </>
   );
diff --git a/crabfit-frontend/src/components/ToggleField/ToggleField.tsx b/crabfit-frontend/src/components/ToggleField/ToggleField.tsx
index 83aa3b7..1ac0ff4 100644
--- a/crabfit-frontend/src/components/ToggleField/ToggleField.tsx
+++ b/crabfit-frontend/src/components/ToggleField/ToggleField.tsx
@@ -11,13 +11,14 @@ const ToggleField = ({
 	label,
 	id,
   name,
+  title = '',
 	options = [],
   value,
   onChange,
 	...props
 }) => (
 	<Wrapper>
-		{label && <StyledLabel>{label}</StyledLabel>}
+		{label && <StyledLabel title={title}>{label}</StyledLabel>}
 
     <ToggleContainer>
       {options.map(option =>
diff --git a/crabfit-frontend/src/pages/Event/eventStyle.ts b/crabfit-frontend/src/pages/Event/eventStyle.ts
index 2727b99..d9c7033 100644
--- a/crabfit-frontend/src/pages/Event/eventStyle.ts
+++ b/crabfit-frontend/src/pages/Event/eventStyle.ts
@@ -72,6 +72,10 @@ export const LoginForm = styled.form`
 	}
 	@media (max-width: 400px) {
 		grid-template-columns: 1fr;
+
+    & div:last-child {
+      --btn-width: 100%;
+    }
 	}
 `;
 
diff --git a/crabfit-frontend/src/stores/index.ts b/crabfit-frontend/src/stores/index.ts
index 28b128d..39bfac4 100644
--- a/crabfit-frontend/src/stores/index.ts
+++ b/crabfit-frontend/src/stores/index.ts
@@ -6,10 +6,12 @@ export const useSettingsStore = create(persist(
     weekStart: 0,
     timeFormat: '12h',
     theme: 'System',
+    highlight: false,
 
     setWeekStart: weekStart => set({ weekStart }),
     setTimeFormat: timeFormat => set({ timeFormat }),
     setTheme: theme => set({ theme }),
+    setHighlight: highlight => set({ highlight }),
   }),
   { name: 'crabfit-settings' },
 ));