.sml-container {
  position: relative;
  text-align: center;
  color: white;
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 2px;    
}

.sml-container > * {
    position: relative;

}

.sml-container:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.5);
 
}

.centered {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 375%;
  border-bottom: solid 5px #eebe2f; 
  padding: 5px;
  z-index: 1;
}

@media screen and (max-width: 1280px) {
    .centered {
        font-size: 350%;
    }

}

@media screen and (max-width: 1200px) {
    .centered {
        font-size: 300%;
    }

}
@media (max-width: 1024px) {
    .centered {
        font-size: 250%;
    }

}

@media screen and (max-width: 768px) {
    .centered {
        font-size: 100%;
    }

}

@media screen and (max-width: 480px) {
    .centered {
        font-size: 80%;
    }

}
@media screen and (max-width: 319px) {
    .centered {
        font-size: 50%;
    }

}