.three-inline-buttons .button {
margin-left: 15px;
margin-right: 15px;
}

.three-inline-buttons {
display: table;
margin: 0 auto;
}

@media only screen and (max-width: 960px) {

.three-inline-buttons .button{
width: 100%;
margin: 20px;
text-align: center;
}

}

.three-inline-buttons {
display: table;
margin: 0 auto;
}

@media only screen and (max-width: 960px) {

.three-inline-buttons .button{
width: 100%;
margin: 20px;
text-align: center;
}

}