Title "Installing OS" is not located in center

[Anastasia Palkina]

"build_id": "2015-05-19_10-05-51",
"build_number": "437",
"release_versions": {"2014.2.2-6.1": {"VERSION": {"build_id": "2015-05-19_10-05-51", "build_number": "437", "api": "1.0", "fuel-library_sha": "2814c51668f487e97e1449b078bad1942421e6b9", "nailgun_sha": "593c99f2b46cf52b2be6c7c6e182b6ba9f2232cd", "feature_groups": ["mirantis"], "openstack_version": "2014.2.2-6.1", "production": "docker", "python-fuelclient_sha": "e19f1b65792f84c4a18b5a9473f85ef3ba172fce", "astute_sha": "96801c5bccb14aa3f2a0d7f27f4a4b6dd2b4a548", "fuel-ostf_sha": "9ce1800749081780b8b2a4a7eab6586583ffaf33", "release": "6.1", "fuelmain_sha": "68796aeaa7b669e68bc0976ffd616709c937187a"}}},
"auth_required": true,
"api": "1.0",
"fuel-library_sha": "2814c51668f487e97e1449b078bad1942421e6b9",
"nailgun_sha": "593c99f2b46cf52b2be6c7c6e182b6ba9f2232cd",
"feature_groups": ["mirantis"],
"openstack_version": "2014.2.2-6.1",
"production": "docker",
"python-fuelclient_sha": "e19f1b65792f84c4a18b5a9473f85ef3ba172fce",
"astute_sha": "96801c5bccb14aa3f2a0d7f27f4a4b6dd2b4a548",
"fuel-ostf_sha": "9ce1800749081780b8b2a4a7eab6586583ffaf33",
"release": "6.1",
"fuelmain_sha": "68796aeaa7b669e68bc0976ffd616709c937187a"

1. Create any environment
2. Add some nodes
3. Start deployment
4. Title "Installing OS (CentOS or Ubuntu)" is not located in centre (see screen)

Tested on FF and Chrome

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/205424

[Julia Aranovich (jkirnosova)]

This issue isn't reproducable on the latestmaster because of node panel redesign (moving to TBS3 framework).