Fix a bunch of layout issues

website/src/ui/Box.js

@@ -0,0 +1,29 @@
+import Radium from 'radium'
+import PropTypes from 'prop-types'
+import React, { Component } from 'react'
+
+class Box extends Component {
+  static propTypes = {
+    borderTop: PropTypes.number,
+    borderBottom: PropTypes.string,
+    borderRight: PropTypes.string,
+    borderLeft: PropTypes.string,
+    border: PropTypes.string,
+    color: PropTypes.string,
+    children: PropTypes.node,
+  }
+
+  render() {
+    const { children, color, borderTop, borderBottom, borderLeft, borderRight, border } = this.props
+
+    return (
+      <div style={[
+        color && { backgroundColor: color },
+        border ? { border } : { borderTop, borderBottom, borderLeft, borderRight }]}>
+        {children}
+      </div>
+    )
+  }
+}
+
+export default Radium(Box)