.min_w50{
    min-width:50px;
}
.min_w60{
    min-width:60px;
}
.min_w70{
    min-width:70px;
}
.min_w80{
    min-width:80px;
}
.min_w90{
    min-width:90px;
}
.min_w100{
    min-width:100px;
}