What I have so far

my-styles.css

@@ -2,3 +2,88 @@
 
 /* All your edits should go here */
 
+#display-01 div{
+  display: inline;
+  border:.5px solid blue;
+  margin: 20px;
+
+
+}
+
+#display-02 span{
+display: block;
+border: .5px solid red;
+width: 100%;
+}
+
+#display-03 div{
+  display: inline;
+  box-sizing: content-box;
+  height: 250px;
+  width: 250px;
+  padding: 30px;
+  border:.5px solid green;
+}
+
+#display-04 div:nth-of-type(1){
+  display: none;
+
+}
+#display-05 a{
+  display:block;
+  background-color: grey;
+  color: white;
+  padding: 10px;
+  width: 50%;
+  margin: auto;
+}
+
+#boxmodel-01 div{
+  display: block;
+  width: 50%;
+  margin-left: auto;
+  border: 2rem solid blue;
+
+  padding: 20px;
+
+}
+
+#boxmodel-02 div{
+  box-sizing: border-box;
+  display: block;
+  width: 50%;
+  margin: auto;
+  border: 2rem solid blue;
+
+  padding: 20px;
+}
+
+#float-01 img{
+  float:left;
+  margin: 5%;
+  margin-left: 0
+
+}
+#float-02 img{
+  float:right;
+  margin: 5%;
+  margin-right: 0
+}
+#float-03 img{
+  float:left;
+  margin: 3%;
+}
+#float-03 p.clear{
+  clear: left;
+}
+
+#float-04 img{
+  clear: left;
+  margin: auto;
+
+}
+#float-04 div{
+  background-color: cyan;
+  display:flow-root;
+
+}