Use the following custom css in Mashshare->settings->Visual->custom css:Align the buttons to the right:
.mashsb-container {
width:100%;
float: right;
}
Align the buttons to the left (default):
.mashsb-container {
width:100%;
float: left;
}
Center alignment of the buttons:
.mashsb-container {
width:500px; /* Must be the total width of the buttons */
margin:0 auto;
}