body {
    font-family: Verdana, Geneva, sans-serif;
    background-color: #ffffff;
    margin: 0;
    padding: 0;
}

.wide-column {
    width: 300px; /* Adjust the width value as needed */
}

header {
    text-align: center;
    padding: 20px;
}

h1 {
    text-align: center;
}

h3 {
    text-align: center;
}

table {
    margin: 0 auto;
    border-collapse: collapse;
    width: 600px; /* Adjust the width as needed */
}

th, td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid #ddd;
    position: relative;
}

td:first-child:before {
    content: "";
    position: absolute;
    top: 50%;
    left: -20px; /* Position the half circle at the beginning */
    transform: translate(-50%, -50%);
    width: 30px; /* Width of the half circle */
    height: 30px; /* Height of the half circle */
    border-radius: 50% 0 0 50%; /* Circular border on the left side of the half circle */
    background-color: orange; /* Orange color for the half circle */
}

td:last-child:after {
    content: "";
    position: absolute;
    top: 50%;
    right: -20px; /* Position the half circle at the end */
    transform: translate(50%, -50%);
    width: 30px; /* Width of the half circle */
    height: 30px; /* Height of the half circle */
    border-radius: 0 50% 50% 0; /* Circular border on the right side of the half circle */
    background-color: orange; /* Orange color for the half circle */
}