.xl_bt p{
text-align: center;
  text-transform: uppercase;
}
.xl_bt p:nth-child(1){
color: #1c1c1c;
    font-size: 32px;
}
.xl_bt p:nth-child(2){
    color: #bfbfbf;
    font-size: 16px;
    line-height: 26px;
}
@media only screen and (max-width: 768px){
.xl_bt p:nth-child(1){
    font-size: 24px;
}
.xl_bt p:nth-child(2){
    font-size: 14px;
}
}