body {
  background-image: url('backgroundcss2.png');
    /*padding-top:40vh;*/
    text-align: center
}

.large-font {
  font-size: 20pt;
  padding: 50px 50px
}

.center-text {
  text-align: center;
  vertical-align: middle;
  font-size: 40pt;
  font-family: sans-serif;
  font: Tahoma
}

.black-border {
  border: 10px solid black;
  padding-left: 20px;
  padding-right: 20px;
  border-radius: 5%;
  background-color: rgba(0,0,0, .5)
}
.black-border2 {
  border: 5px solid black;
  padding-left: 20px;
  padding-right: 20px;
  border-radius: 5%;
  background-color: rgba(0,0,0, .5)
}
.text-decor {
  text-decoration: none;
  color: black;
  background-color: rgb(255, 255 , 0, .5)
}