.middle {
    position: relative;
    margin: 0 auto;
    top: 200px;
}

.th1 {
    width: 5%;
}

.th2 {
    width: 10%;
}

.th3 {
    width: 10%;
}

.th4 {
    width: 75%;
}

table, th, td {
    border: 2px solid rgb(204, 176, 255);
}

table {
    font-family: arial, sans-serif;
    width: 90%;
}
  
td {
    vertical-align: top; 
    text-align: left;
    padding: 8px;
}

th {
    vertical-align: top; 
    text-align: left;
    padding: 8px;
}