.u-border{line-height: 1em;padding: 0 2px;margin-bottom:4px;vertical-align: middle;
    color: #3777c7;border: 1.2px solid #3777c7;}

.borB  {border: 1.2px solid #000000;color: #000;}  

@media screen and (max-width:750px){
    .m-grid__item {
        margin-left: auto;
        margin-right: auto;
    }
   
}