second commit

test_tube_scanner/home/templates/inc/404.html

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+{% extends 'dashboard/base.html' %}
+{% load i18n %}
+
+{% block main_content %}
+<div class="w3-black w3-border w3-div-center" style="margin: 10em; height: 20em">
+    {% block main-bar %}
+    <div class="w3-orange">
+        <div class="w3-bar">
+            <div class="w3-bar-item">{% block bar-title %}{% trans "Error: missing page." %}{% endblock %}</div>
+            <div class="w3-right">
+            	<a href="/" class="w3-bar-item w3-button w3-right">&times;</a>
+            </div>
+        </div>
+    </div>
+    {% endblock %}
+    <h4 class="w3-padding">
+        {% trans "This page does not exist.<br>Please re-enter a new address." %}
+    </h4>
+</div>
+{% endblock %}

test_tube_scanner/home/templates/inc/500.html

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+{% extends 'dashboard/base.html' %}
+{% load  i18n %}
+
+{% block main_content %}
+<div class="w3-black w3-border w3-div-center" style="margin: 10em; height: 20em">
+    {% block main-bar %}
+    <div class="w3-orange">
+        <div class="w3-bar">
+            <div class="w3-bar-item">{% block bar-title %}{% trans "System error" %}{% endblock %}</div>
+            <div class="w3-right">
+                <a href="/" class="w3-bar-item w3-button w3-right">&times;</a>
+            </div>
+        </div>
+    </div>
+    {% endblock %}
+    <h4 class="w3-padding">
+        {% trans "This page server can't run correctly.<br>Please contact the site administrator." %}
+        <h6 class="w3-margin">{{ error }}</h6>
+    </h4>
+</div>
+{% endblock %}
+
+

test_tube_scanner/home/templates/inc/alert.html

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+
+{% if messages %}
+<div class="alert">
+	{% for message in messages %}
+		<div class="w3-bar {% if message.tags %}{{ message.tags }}{% endif %}" style="width: 100%" >
+			<div class="w3-bar-item">{{ message }}</div>
+			<div class="w3-bar-item w3-button w3-right" onclick="this.parentElement.style.display='none'">&times;</div>
+		</div>
+	{% endfor %}
+</div>
+{% endif %}
+
+

test_tube_scanner/home/templates/inc/image-preview.html

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+<div class="w3-modal" id="imagemodal" style="z-index: 200;">
+	<div class="w3-modal-content w3-border w3-dark-medium">
+		<button onclick="sId('imagemodal').style.display='none'" class="w3-btn w3-display-topright w3-xlarge">&#x2716;</button>
+		<img src="" id="imagepreview" style="width: 100%;min-height: 150px;">
+	</div>
+</div>
+