Various css tweaks for contrast and visibility

## Examples

### Homepage Before
![home-before](https://cloud.githubusercontent.com/assets/96776/4397613/b8dfa020-4445-11e4-99dd-e7fd83d00a0a.png)
### Homepage After
![home-after](https://cloud.githubusercontent.com/assets/96776/4397614/b8dfa30e-4445-11e4-96e6-7b141182f541.png)

---
### Alignment Before
![alignment-before](https://cloud.githubusercontent.com/assets/96776/4397635/07a2eb54-4446-11e4-952f-42573f583c1a.png)
### Alignment After
![alignment-after](https://cloud.githubusercontent.com/assets/96776/4397636/07a4ae94-4446-11e4-8aba-a804c098308a.png)

---
### Call Number Facet Before
![callnumber-facet-before](https://cloud.githubusercontent.com/assets/96776/4397639/16d68414-4446-11e4-96b7-0353be7dff7f.png)

### Call Number Facet After
![callnumber-facet-after](https://cloud.githubusercontent.com/assets/96776/4397640/16ece5f6-4446-11e4-9ac7-ffacca959bcf.png)

---
### Access Panels Before
![access-panels-before](https://cloud.githubusercontent.com/assets/96776/4397618/c49547a8-4445-11e4-9de1-7ae63f9eda16.png)

### Access Panels After
![access-panels-after](https://cloud.githubusercontent.com/assets/96776/4397619/c497e7d8-4445-11e4-9242-f149ddfb33cb.png)

---
### Normal Results Before
![resutls-before](https://cloud.githubusercontent.com/assets/96776/4397623/d6d86b48-4445-11e4-8d14-072fa9f0d273.png)

### Normal Results After
![results-after](https://cloud.githubusercontent.com/assets/96776/4397624/d6d8d88a-4445-11e4-90b7-33f8a57b2c2b.png)

---
### Gallery Before
![gallery-before](https://cloud.githubusercontent.com/assets/96776/4397627/f21a6a82-4445-11e4-8fc0-b2c0da93c1e7.png)

### Gallery After
![gallery-after](https://cloud.githubusercontent.com/assets/96776/4397628/f21ad04e-4445-11e4-994a-4837b115d25f.png)

---
### Toolbar Before
![toolbar-before](https://cloud.githubusercontent.com/assets/96776/4397631/fc87edb4-4445-11e4-8eab-a8ae6b3eb1ad.png)

### Toolbar After
![toolbar-after](https://cloud.githubusercontent.com/assets/96776/4397632/fc88ecd2-4445-11e4-8f3c-8549bc5aa192.png)