diff --git a/CHANGELOG.md b/CHANGELOG.md
index cde40623..243a245b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# 0.16.2
+
+Released on Thursday, November 4 2021.
+
+- Fixed issue with unbalanced grid areas and rows (#82)
+- Fixed small numbers to be transformed into negative exponentials (#80)
+
 # 0.16.1
 
 Released on Wednesday, August 11 2021.
diff --git a/src/AngleSharp.Css.Tests/Declarations/CssMarginProperty.cs b/src/AngleSharp.Css.Tests/Declarations/CssMarginProperty.cs
index 349662fb..170ea6ba 100644
--- a/src/AngleSharp.Css.Tests/Declarations/CssMarginProperty.cs
+++ b/src/AngleSharp.Css.Tests/Declarations/CssMarginProperty.cs
@@ -18,6 +18,18 @@ public void CssMarginLeftLengthLegal()
             Assert.AreEqual("15px", property.Value);
         }
 
+        [Test]
+        public void CssMarginLeftTinyValue_Issue80()
+        {
+            var snippet = "margin-left: 0.00001px";
+            var property = ParseDeclaration(snippet);
+            Assert.AreEqual("margin-left", property.Name);
+            Assert.IsFalse(property.IsImportant);
+            Assert.IsFalse(property.IsInherited);
+            Assert.IsTrue(property.HasValue);
+            Assert.AreEqual("0.00001px", property.Value);
+        }
+
         [Test]
         public void CssMarginLeftInitialLegal()
         {
diff --git a/src/AngleSharp.Css.Tests/Parsing/StyleSheet.cs b/src/AngleSharp.Css.Tests/Parsing/StyleSheet.cs
index ef12e3ad..6463c14f 100644
--- a/src/AngleSharp.Css.Tests/Parsing/StyleSheet.cs
+++ b/src/AngleSharp.Css.Tests/Parsing/StyleSheet.cs
@@ -15,5 +15,110 @@ public async Task ParseEmptySheet_Issue42()
             var sheet = await parser.ParseStyleSheetAsync(sheetCode);
             Assert.IsNotNull(sheet);
         }
+
+        [Test]
+        public async Task ParseStyleSheetAndBack_Issue82()
+        {
+            var css = @"
+    .root {
+        position: absolute;
+        top: 0;
+        left: 0;
+        width: calc(100% - 10px);
+        height: calc(100% - 10px);
+        padding: 5px;
+    }
+
+    .container {
+        width: 100%;
+        height: 100%;
+        display: grid;
+        grid-template-columns: 1fr 1fr;
+        grid-template-rows: 240px calc(100% - 360px) 100px;
+        grid-template-areas: 'header info' 'quantity info' 'footerOk footerCancel';
+        row-gap: 10px;
+        font-size: 26px;
+    }
+
+    .destination {
+        grid-area: header;
+        width: calc(100% - 20px);
+        height: calc(100% - 20px);
+        margin: 10px;
+        display: grid;
+        grid-template-columns: auto auto auto;
+        grid-template-rows: 150px 50px;
+        grid-template-areas:
+            ""sourcerp image destrp""
+            ""sourcele image destle"";
+    }
+
+    .quantitygrid {
+        width: 100%;
+        height: 100%;
+        display: grid;
+        grid-template-columns: auto auto auto;
+        grid-template-rows: 150px 100px;
+        grid-template-areas: 'minus number plus';
+    }
+
+    .headergrid {
+        width: 100%;
+        height: 100%;
+        display: grid;
+        grid-template-columns: 1fr 1fr 1fr;
+        grid-template-rows: 1fr 1fr;
+        grid-template-areas: 'sourceplace space destinationplace' 'sourcelc space destinationlc';
+    }
+
+    #info td + td {
+        font-size: 24px;
+    }
+
+    input {
+        animation-duration: 2s;
+        font-family: inherit;
+        background-color: white;
+    }
+
+    td {
+        padding: 5px;
+    }
+
+    paper-button {
+        padding: 0;
+        background-color: var(--kx-dark);
+        box-sizing: border-box;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        color: white;
+        /*font-weight: bolder;*/
+    }
+
+    @keyframes errorAnimation {
+        0% {
+            background-color: white;
+        }
+
+        1% {
+            background-color: red;
+        }
+
+        100% {
+            background-color: white;
+        }
+    }
+
+    input:invalid {
+        color: red;
+    }
+";
+            var parser = new CssParser();
+            var formatter = new MinifyStyleFormatter();
+            var ss = await parser.ParseStyleSheetAsync(css);
+            var newCss = ss.ToCss(formatter);
+            Assert.IsNotNull(newCss);
+        }
     }
 }
diff --git a/src/AngleSharp.Css/FormatValue.cs b/src/AngleSharp.Css/FormatValue.cs
new file mode 100644
index 00000000..eeb6427c
--- /dev/null
+++ b/src/AngleSharp.Css/FormatValue.cs
@@ -0,0 +1,12 @@
+namespace AngleSharp.Css
+{
+    using System;
+    using System.Globalization;
+
+    static class FormatValue
+    {
+        public const String DoubleFixedPoint = "0.###################################################################################################################################################################################################################################################################################################################################################";
+
+        public static String CssStringify(this Double value) => value.ToString(DoubleFixedPoint, CultureInfo.InvariantCulture);
+    }
+}
\ No newline at end of file
diff --git a/src/AngleSharp.Css/Values/Composites/CssGridTemplateValue.cs b/src/AngleSharp.Css/Values/Composites/CssGridTemplateValue.cs
index 7260fe83..422a3545 100644
--- a/src/AngleSharp.Css/Values/Composites/CssGridTemplateValue.cs
+++ b/src/AngleSharp.Css/Values/Composites/CssGridTemplateValue.cs
@@ -73,7 +73,7 @@ public String CssText
 
                     for (var i = 0; i < rowItems.Length; i++)
                     {
-                        var area = areas[i];
+                        var area = areas.Length > i ? areas[i] : null;
                         var item = rowItems[i] as CssTupleValue;
 
                         if (item != null && area != null)
diff --git a/src/AngleSharp.Css/Values/Primitives/Angle.cs b/src/AngleSharp.Css/Values/Primitives/Angle.cs
index ed55ff46..dbeb6c8e 100644
--- a/src/AngleSharp.Css/Values/Primitives/Angle.cs
+++ b/src/AngleSharp.Css/Values/Primitives/Angle.cs
@@ -1,8 +1,6 @@
 namespace AngleSharp.Css.Values
 {
-    using AngleSharp.Css.Dom;
     using System;
-    using System.Globalization;
 
     /// <summary>
     /// Represents an angle object.
@@ -66,7 +64,7 @@ public Angle(Double value, Unit unit)
         /// <summary>
         /// Gets the CSS text representation.
         /// </summary>
-        public String CssText => String.Concat(_value.ToString(CultureInfo.InvariantCulture), UnitString);
+        public String CssText => String.Concat(_value.CssStringify(), UnitString);
 
         /// <summary>
         /// Gets the value of the angle.
diff --git a/src/AngleSharp.Css/Values/Primitives/Fraction.cs b/src/AngleSharp.Css/Values/Primitives/Fraction.cs
index eff5158d..ed8606e3 100644
--- a/src/AngleSharp.Css/Values/Primitives/Fraction.cs
+++ b/src/AngleSharp.Css/Values/Primitives/Fraction.cs
@@ -35,7 +35,7 @@ public Fraction(Double value, Unit unit)
         /// <summary>
         /// Gets the CSS text representation.
         /// </summary>
-        public String CssText => String.Concat(_value.ToString(CultureInfo.InvariantCulture), UnitString);
+        public String CssText => String.Concat(_value.CssStringify(), UnitString);
 
         /// <summary>
         /// Gets the value of fraction.
diff --git a/src/AngleSharp.Css/Values/Primitives/Frequency.cs b/src/AngleSharp.Css/Values/Primitives/Frequency.cs
index 924657d5..dc8ba3ac 100644
--- a/src/AngleSharp.Css/Values/Primitives/Frequency.cs
+++ b/src/AngleSharp.Css/Values/Primitives/Frequency.cs
@@ -1,7 +1,6 @@
 namespace AngleSharp.Css.Values
 {
     using System;
-    using System.Globalization;
 
     /// <summary>
     /// Represents a time value.
@@ -35,7 +34,7 @@ public Frequency(Double value, Unit unit)
         /// <summary>
         /// Gets the CSS text representation.
         /// </summary>
-        public String CssText => String.Concat(_value.ToString(CultureInfo.InvariantCulture), UnitString);
+        public String CssText => String.Concat(_value.CssStringify(), UnitString);
 
         /// <summary>
         /// Gets the value of frequency.
diff --git a/src/AngleSharp.Css/Values/Primitives/Length.cs b/src/AngleSharp.Css/Values/Primitives/Length.cs
index e996766a..317002ec 100644
--- a/src/AngleSharp.Css/Values/Primitives/Length.cs
+++ b/src/AngleSharp.Css/Values/Primitives/Length.cs
@@ -1,7 +1,6 @@
 namespace AngleSharp.Css.Values
 {
     using System;
-    using System.Globalization;
 
     /// <summary>
     /// Represents an absolute length value.
@@ -99,7 +98,7 @@ public String CssText
                 else
                 {
                     var unit = _value == 0.0 ? String.Empty : UnitString;
-                    var val = _value.ToString(CultureInfo.InvariantCulture);
+                    var val = _value.CssStringify();
                     return String.Concat(val, unit);
                 }
             }
diff --git a/src/AngleSharp.Css/Values/Primitives/Resolution.cs b/src/AngleSharp.Css/Values/Primitives/Resolution.cs
index c0de9bd0..0f55bb21 100644
--- a/src/AngleSharp.Css/Values/Primitives/Resolution.cs
+++ b/src/AngleSharp.Css/Values/Primitives/Resolution.cs
@@ -1,7 +1,6 @@
 namespace AngleSharp.Css.Values
 {
     using System;
-    using System.Globalization;
 
     /// <summary>
     /// Represents a resolution value.
@@ -35,7 +34,7 @@ public Resolution(Double value, Unit unit)
         /// <summary>
         /// Gets the CSS text representation.
         /// </summary>
-        public String CssText => String.Concat(_value.ToString(CultureInfo.InvariantCulture), UnitString);
+        public String CssText => String.Concat(_value.CssStringify(), UnitString);
 
         /// <summary>
         /// Gets the value of resolution.
diff --git a/src/AngleSharp.Css/Values/Primitives/Time.cs b/src/AngleSharp.Css/Values/Primitives/Time.cs
index b56a46da..078c1992 100644
--- a/src/AngleSharp.Css/Values/Primitives/Time.cs
+++ b/src/AngleSharp.Css/Values/Primitives/Time.cs
@@ -1,8 +1,6 @@
 namespace AngleSharp.Css.Values
 {
-    using AngleSharp.Css.Dom;
     using System;
-    using System.Globalization;
 
     /// <summary>
     /// Represents a time value.
@@ -45,7 +43,7 @@ public Time(Double value, Unit unit)
         /// <summary>
         /// Gets the CSS text representation.
         /// </summary>
-        public String CssText => String.Concat(_value.ToString(CultureInfo.InvariantCulture), UnitString);
+        public String CssText => String.Concat(_value.CssStringify(), UnitString);
 
         /// <summary>
         /// Gets the value of time.
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index a4925081..b9a2774b 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -2,6 +2,6 @@
   <PropertyGroup>
     <Description>Extends the CSSOM from the core AngleSharp library.</Description>
     <Product>AngleSharp.Css</Product>
-    <Version>0.16.1</Version>
+    <Version>0.16.2</Version>
   </PropertyGroup>
 </Project>