body {
  font-family: verdana, sans-serif;
  color: white;
  background-color: black;
  padding: 1em;
}
.cen {
  position: absolute;
        top: 50%;
        left: 50%;
        margin-right: -50%;
        margin-top: 2em;
        transform: translate(-50%, -50%) }

.ms {
  border: 1px solid white;
      line-height: 30%;
      text-align: left;
      margin: 1em;
      font-size: 0.7em;
   }
.sc {
margin-left: auto;
  margin-right: auto;
  text-align: center; 
}