.box_h{
height: 250px;
}


.box_h_a{
min-height: 300px;
max-height: 300px;
}


.center {
     float: none;
     margin-left: auto;
     margin-right: auto;
}


.f_color{
color: #7ab6e4;
font-weight: normal;
}


.modal-open {
    overflow: visible;
}