.ContainerPanel
{
    margin: 2em 0;
    overflow: hidden;
}

.collapsePanelHeader
{
    background-color:#2BA5CC;
    color:#334433; 
    font-weight:bold;
    border-radius: .4em;
}

.HeaderContent
{
    padding: .5em 1em;
}

.Content
{
    padding: 0 1em;
}

.ButtonCollapse, .ButtonExpand 
{
    float: right;
    margin-right: 1em;
    margin-top: .5em;
    width: 16px;
    height: 16px;
    cursor: pointer;  
}
.ButtonCollapse
{
    background-image: url(Images/Minus.png);
}
.ButtonExpand
{
     background-image: url(Images/Plus.png);
}