Define a face style

src/components/LDeviceLocationPopup.vue

@@ -7,6 +7,7 @@
         :src="faceImageDataURI"
         :alt="$t('Image of {deviceName}', { deviceName })"
         :title="$t('Image of {deviceName}', { deviceName })"
+        class="face"
       />
       <ul class="info-list">
         <li :title="$t('Timestamp')">

src/styles/_map.scss

@@ -15,6 +15,11 @@
 
       .leaflet-popup-content {
         margin: 30px;
+
+        .face {
+          width: 40px;
+          border-radius: 3px;
+        }
       }
     }