css - How to align contents of <p:panel> vertical-align to center -

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in jsf-primefaces webapp having , need vertical-align contents center. how can that?

<p:panel id="businesses_panel" header="#{business.businessname}" styleclass="mini-panel panel-grid tr panel-grid td panel-hover panel-header-title-small"> <div align="center">     <p:panelgrid columns="1">         <div class="component-spacing-top"/>         <h:graphicimage alt="#{business.businessname}" value="#{business.logofullpath}" class="small-panel-image" />         <div class="component-spacing-top"/>     </p:panelgrid> </div> 

<p:panel style="height:500px;position:relative;"/>     <p:panelgrid columns="1" styleclass="centered">         <div class="component-spacing-top"/>         <h:graphicimage alt="#{business.businessname}" value="#{business.logofullpath}"    class="small-panel-image" />         <div class="component-spacing-top"/>     </p:panelgrid> </p:panel>

height value randomly given not matter, not erase position:relative.

.centered { position: absolute; height: 100px; top: 0; bottom: 0; margin:auto; }

for horizontal should add below rules:

left:50%;margin-left:-100px;width:200px;

look out, margin-left value -1/2 times of width value.

result:

enter image description here

if width not fixed can try way works on me , aligns center horizontally , vertically @ same time:

<p:panel style="line-height:200px;padding: 5% 0;position: relative;"/>     <p:panelgrid columns="1" styleclass="centered">         <div class="component-spacing-top"/>         <h:graphicimage style="vertical-align:middle;" alt="#{business.businessname}" value="#{business.logofullpath}"    class="small-panel-image" />         <div class="component-spacing-top"/>     </p:panelgrid> </p:panel>

note graphicimage has style property well.

.centered { position:relative; height: 100px; margin:0 auto; padding: 10% 0; }

result:

enter image description here

even if doesn't work should check link gave inside about. doing there 6 ways , should mix them.


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