body {
  font-family: helvetica, arial, sans-serif;
  margin: 1em;
  background-color: black;
  color: #ccc;
}

img {
  margin-left: auto;
  margin-right: auto;
  display: block;
  width: 500px;
  margin-bottom: 20px;
}

a {
  color: #ccc;
}

#main {
  border-color: #6699cc;
  border-width: 2px;
  border-style: dashed;
  border-radius: 30px;
  max-width: 600px;
  display:block;
  margin-left: auto;
  margin-right: auto;
  margin-top: 30px;
  margin-bottom: 30px;
}

table {
  margin-left:auto; 
  margin-right:auto;
  
}

td {
  padding: 10px 30px;
}

thead td {
  text-align: center;
}

@media (max-width: 540px) {
  img {
    width: calc(100% - 10px);
    margin-left: 0px;
  }
  
  td {
    padding: 10px 10px;
  }
}

p {
  text-align: center;
}

.redText {
  color: #69c;
}
.yellowText {
  color: #bb6;
}
.blueText {
  color: #d62;
}