.dialog{
    text-align:left;
    margin:0;
}

.body{
    display:inline-block;
    text-align:left;
    padding:0;
    margin-bottom:23px;
}

.buttons{
    width:100%;
    padding:0;
    margin-bottom: -10px;
}

button{
    width:100%;
    margin-bottom: 10px;
}

button:last-child{
    margin-bottom:0;
}

@media (min-width:768px) {
    button{
        width: auto;
        margin-right:15px;
        margin-bottom:0;
    }

    button:first-child{
        margin-right:0;
    }
}