body {
    max-width: 1200px;  /* Limit the max-width to 1200px */
    margin: 0 auto;     /* Center the content */
    padding: 0 15px;    /* Add padding to the sides */
}

.outer-border {
    border: 2px solid #000;
    border-collapse: collapse;
    }

.outer-border th,
.outer-border td {
  border: none;
}

/* Chrome, Safari, Edge */
.no-spinner::-webkit-outer-spin-button,
.no-spinner::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
.no-spinner {
  -moz-appearance: textfield;
}