tweak to the header text width to fix image position
tweak to the header text width to fix image position

stops the logo being shunted below. A quick fix since we have more significant restyling planned.

HITS-SDBV/seek,stuzart/seek,HITS-SDBV/nmtrypi-seek,HITS-SDBV/seek,SynthSys/seek,aina1205/nmtrypi-seek,Virtual-Liver-Network/seek,aina1205/nmtrypi-seek,Virtual-Liver-Network/seek,SynthSys/seek,Virtual-Liver-Network/seek,HITS-SDBV/seek,SynthSys/seek,HITS-SDBV/seek,HITS-SDBV/nmtrypi-seek,SynthSys/seek,stuzart/seek,aina1205/nmtrypi-seek,Virtual-Liver-Network/seek,aina1205/nmtrypi-seek,stuzart/seek,HITS-SDBV/nmtrypi-seek,HITS-SDBV/nmtrypi-seek