.center{
    text-align: center;
    align-items: center;
}
.left{
    text-align:left ;
    align-items:left ;
}
.right{
    text-align:right ;
    align-items:right ;
}
.xx-small{
    font-size:xx-small;
}
.x-small{
    font-size:x-small;
}
.small{
    font-size:small;
}
.medium{
    font-size:medium;
}
.larger{
    font-size: larger;
}
.large{
    font-size: large;
}
.x-large{
    font-size: x-large;
}
.xx-large{
    font-size: xx-large;
}