第三次作业题目和答案(未公布)

themes/landscape/source/css/_extend.styl

@@ -0,0 +1,63 @@
+$block-caption
+  text-decoration: none
+  text-transform: uppercase
+  letter-spacing: 2px
+  color: color-grey
+  margin-bottom: 1em
+  margin-left: 5px
+  line-height: 1em
+  text-shadow: 0 1px #fff
+  font-weight: bold
+
+$block
+  background: #fff
+  box-shadow: 1px 2px 3px #ddd
+  border: 1px solid color-border
+  border-radius: 3px
+
+$base-style
+  h1
+    font-size: 2em
+  h2
+    font-size: 1.5em
+  h3
+    font-size: 1.3em
+  h4
+    font-size: 1.2em
+  h5
+    font-size: 1em
+  h6
+    font-size: 1em
+    color: color-grey
+  hr
+    border: 1px dashed color-border
+  strong
+    font-weight: bold
+  em, cite
+    font-style: italic
+  sup, sub
+    font-size: 0.75em
+    line-height: 0
+    position: relative
+    vertical-align: baseline
+  sup
+    top: -0.5em
+  sub
+    bottom: -0.2em
+  small
+    font-size: 0.85em
+  acronym, abbr
+    border-bottom: 1px dotted
+  ul, ol, dl
+    margin: 0 20px
+    line-height: line-height
+  ul, ol
+    ul, ol
+      margin-top: 0
+      margin-bottom: 0
+  ul
+    list-style: disc
+  ol
+    list-style: decimal
+  dt
+    font-weight: bold