.justify-content-center {justify-content: center !important;}

/* margin */
.mb, .my-0 {margin-bottom: 0 !important;}
.mt, .my-0 {margin-top: 0 !important;}
/* text */
.h1, h1 {font-size: 2.5rem;}
.h1, .h2, .h3, .h4, .h5, .h6, h1, h2, h3, h4, h5, h6 {
    margin-bottom: .5rem;
    font-weight: 500;
    line-height: 1.2;
}