.topbanner {
  position: fixed;       /*stay at top when scrolling */
  top: 0;               /* top of viewport */
  left: 0;              /* align left */
  width: 100%;          /* full width */
  height: 70px;         /* 40px tall */
  background-color: #667; /* dark background */
  display: flex;        /* use flexbox for horizontal layout */
  align-items: center;  /* vertically center links */
  justify-content: space-around; /* space links evenly */
  z-index: 1000;        /* stay on top of other content */
}


body{
  /*background-color: #222;
  color: white;*/
  background-color: lightgray;
}


a {
  text-decoration: none; /* removes underline */
  color: inherit;        /* uses parent element's text color */
}

.topbanner a {
  padding: 0 10px;      /* horizontal padding */
  font-weight: bold;
}

.topbanner a:hover {
  text-decoration: underline;
}

.topbanner button{
    color: black;
    background-color: white;
    width: 300px;
    height: 50px;
    font-size: 25px;
}

.announce{
  padding-top: 70px;
}

.content{
    /*padding-top: 40px;*/
    display: flex;
    min-height: 100vh;
}

tr{
    column-span: 50%;
}

.leftSide{
  /*align-self: left;
  width: 50%;*/
  flex: 1;
  padding: 20px;
}

.rightSide{
  /*align-self: right;
  width: 50%;*/
  flex: 1;
  padding: 20px;
}

.linkButton{
  width: 400px;
  height: 50px;
  background-color: orange;
  text-align: center;
  padding-bottom: 50px;
  padding: 0 10px;
}