Column shortcodes error

When I insert the shortcode for columns 1/2 + 1/4 + 1/4 the first column shows in the correct position but the second shows over to the right and the third under the second. Please see at http://www.stmarysfinedon.co.uk/3test-2/.
the code is as follows

[dropshadowbox align=”left” effect=”lifted-both” width=”900px” height=”” background_color=”#ffffff” border_width=”1″ border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” ]CONTACT[/dropshadowbox]
[su_row]
[su_column size=”1/2″][dropshadowbox align=”none” effect=”raised” width=”300px” height=”” background_color=”#8c7f7f” border_width=”1″ border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” ]<!–cforms name=”St Marys Contact”–>[/dropshadowbox][/su_column]
[su_column size=”1/4″][dropshadowbox align=”left” effect=”raised” width=”200px” height=”165px” background_color=”#ffffff” border_width=”” border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” outside_shadow=”false” ]
<div class=”boxtext”>
<h1>Vicar</h1>
<img class=”alignleft size-full wp-image-3846″ src=”http://www.stmarysfinedon.co.uk/wp-content/uploads/2014/09/vicar-icon.png&#8221; alt=”vicar icon” width=”30″ height=”30″ />The Revd Richard Coles<br class=”blank” />Tel:01933 681 786 Mobile:07885 967 960
<italic>To Contact select
Fr.Richard</italic>

[/dropshadowbox]
[dropshadowbox align=”left” effect=”raised” width=”200px” height=”165px” background_color=”#ffffff” border_width=”” border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” outside_shadow=”false” ]
<div class=”boxtext”>
<h1>Assistant Honorary Priest:</h1>
<img class=”alignleft size-full wp-image-3852″ src=”http://www.stmarysfinedon.co.uk/wp-content/uploads/2014/09/Priest-Icon.png&#8221; alt=”Priest Icon” width=”40″ height=”40″ />Fr Peter Baden
Tel:01832 733186
<italic>To Contact select
Fr.Peter</italic>

[/dropshadowbox][dropshadowbox align=”left” effect=”raised” width=”200px” height=”165px” background_color=”#ffffff” border_width=”” border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” outside_shadow=”false” ]
<div class=”boxtext”>
<h1>Parish Clerk:</h1>
<img class=”alignleft size-full wp-image-3854″ src=”http://www.stmarysfinedon.co.uk/wp-content/uploads/2014/09/Clerk-Icon.png&#8221; alt=”Clerk Icon” width=”30″ height=”30″ />Mrs Gill Foster
Tel: 01933 680 364
(First contact for Baptisms and weddings.)
<italic>To Contact
Select Information</italic>

[/dropshadowbox][dropshadowbox align=”left” effect=”raised” width=”200px” height=”165px” background_color=”#ffffff” border_width=”” border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” outside_shadow=”false” ]
<div class=”boxtext”>
<h1>Choirmaster:</h1>
<img class=”alignleft size-full wp-image-3891″ src=”http://www.stmarysfinedon.co.uk/wp-content/uploads/2014/09/ChoiMas.png&#8221; alt=”ChoiMas” width=”30″ height=”30″ />Mr. Bryan Chapman<br class=”blank” />Tel: 01933 398 818
<italic>To Contact select
Information</italic>

[/dropshadowbox][dropshadowbox align=”left” effect=”raised” width=”200px” height=”165px” background_color=”#ffffff” border_width=”” border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” outside_shadow=”false” ]
<div class=”boxtext”>
<h1>Churchwardens:</h1>
<img class=”alignleft size-full wp-image-3856″ src=”http://www.stmarysfinedon.co.uk/wp-content/uploads/2014/09/Wardens.png&#8221; alt=”Wardens” width=”36″ height=”50″ />Mrs Jane Read Tel: 01933 680 522
Mr Neil Forster
Tel: 01933 682 177
<italic>To Contact
select Information</italic>

[/dropshadowbox][dropshadowbox align=”left” effect=”raised” width=”200px” height=”165px” background_color=”#ffffff” border_width=”” border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” outside_shadow=”false” ]
<div class=”boxtext”>
<h1>PCC Secretary:</h1>
<img class=”alignleft size-full wp-image-3872″ src=”http://www.stmarysfinedon.co.uk/wp-content/uploads/2014/09/Sec.png&#8221; alt=”Sec” width=”35″ height=”50″ />Mrs Gill Foster Tel: 01933 680 364
<italic>To Contact select
Information</italic>
[/dropshadowbox]
[dropshadowbox align=”left” effect=”raised” width=”200px” height=”165px” background_color=”#ffffff” border_width=”” border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” outside_shadow=”false” ]
<div class=”boxtext”>
<h1>Treasurer:</h1>
<img class=”alignleft size-full wp-image-3876″ src=”http://www.stmarysfinedon.co.uk/wp-content/uploads/2014/09/Treas.png&#8221; alt=”Treas” width=”36″ height=”30″ />Mr Andrew Weatherill
Tel: 01933 682 212
<italic>To Contact select
Information</italic>
[/dropshadowbox]
</div>

[/su_column]
[su_column size=”1/4″] [dropshadowbox align=”right” effect=”raised” width=”200px” height=”165px” background_color=”#ffffff” border_width=”” border_color=”#dddddd” rounded_corners=”false” inside_shadow=”false” outside_shadow=”false” ]
<div class=”boxtext”>
<h1>Tower Captain:</h1>
<img class=”alignleft size-full wp-image-3900″ src=”http://www.stmarysfinedon.co.uk/wp-content/uploads/2014/09/BellRing.png&#8221; alt=”BellRing” width=”30″ height=”40″ />Mr Bryan Chapman Tel 01933 398 818
<italic>To Contact select
Information</italic>

[/dropshadowbox] [/su_column]
[/su_row]

https://wordpress.org/plugins/shortcodes-ultimate/