edge.css

body,
html {
    padding: 0;
    margin: 0;
    height: 100%;
    width: 100%;
    background-color: #ffffff;
    color: #000000;
    font-family: 'Arial', sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

#top-section {
    margin: 0 0;
    background-color: #007BFF;
}

.top-div {
    text-align: center;
}

#top-h1 {
    color: #ffffff;
    font-size: 2.5em;
    margin: 0;
}

.top-nav ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    justify-content: space-between;
    background-color: #000000;
    text-align: center;
    text-decoration: underline;
}

.top-nav a {
    display: block;
    padding: 10px 20px;
    color: #ffffff;
    text-decoration: none;
    font-size: 1.2em;
}

.top-nav a:hover {
    background-color: #0056b3;
}

#nav-active a {
    background-color: #00ff4c;
    color: #000000;
}


/* announcement section  */
#ann-section{
    font-size: 1.5rem;
    padding: 5px;
    text-align: justify;
}
#ann-section ul{
    list-style: square;
}

/* table section  */
#table-section {
    margin: 20px 20px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 8px;
}

#table-section h1 {
    text-align: center;
    color: #333333;
    font-size: 2em;
}

#course-table {
    width: 100%;
}

#course-table th,
#course-table td {
    padding: 12px 15px;
}

#course-table th {
    background-color: #007BFF;
    color: #ffffff;
    font-weight: bold;
}

#course-table tr:nth-child(even) {
    background-color: #f2f2f2;
}

/* apply section  */
#apply-section {
    background-color:#00ff4c;
    display: grid;
    place-items: center;
}

#applyh2 {
    font-weight: bold;
    text-align: center;
}

#apply-div {
    background-color: #3700ff8f;
    padding: 10px 170px;
    border-radius: 8px;
    box-shadow:2px 2px 2px #000000;
}

#apply-lebel {
    font-weight: bold;
}

#apply-input {
    height: 100%;
    width: 100%;
    padding: 10px 10px;
    border-radius: 5px;
}