* {
    margin: 10px;
    padding: 0;
    box-sizing: border-box;
}

body{
  background-image: url("img/collegephoto30.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
  color:black;
}

.alldiv {
    display: flex;
    height: 100%;
    width: 100%;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    text-align: center;
    /*padding: 10px;
    border:1px solid black;*/ 
    border-width:1px;
    border-style: solid;
    border-color: red;
}

th, td {
    padding: 5px;
    table-layout :auto;
    text-align: center;
  }