h1, h2, h3, p, a {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

body {
    background-color: rgb(225, 226, 226);
}

#header {
    width: 100%;
    background-color: black;
}

#Introtext {
    color: white;
    padding-top: 25px;
    padding-bottom: 30px;
    text-align: center;
    margin: auto;
}

#footer {
    width: 100%;
    background-color: black;
    height: 10%;
    position: relative;
    bottom: 0;
}

#footer p{
    color: white;
    text-align: center;
    font-size: 12px;
    padding-top: 12px;
}

#Naiyo {
    width: 90%;
    margin: auto;
    text-align: center;
}

.attendance {
    display: inline-block;
    margin-top: 10px;
    margin-left: auto;
    margin-right: auto;
    background-color: rgb(188, 0, 28);
    color: white;
    padding: 1%;
    text-align: center;
    font-size: 14pt;
    font-family: Arial, Helvetica, sans-serif;
    border-radius: 10px;
    transition-duration: 0.4s;
    text-decoration: none;
}

.attendance:hover{
    background:rgb(255, 43, 75);
}

.true_csa {
    margin: auto;
    width: 100%;
}

.csa {
    margin-left: auto;
    margin-right: auto;
}

.csa .csa_no_th{
    width: 10%;
    text-align: center;
    background-color: maroon;
    color: white;
    font-size: 14pt;
    font-family: Arial, Helvetica, sans-serif;
}

.csa .csa_cont_th{
    width: 60%;
    text-align: center;
    background-color: maroon;
    color: white;
    font-size: 14pt;
    font-family: Arial, Helvetica, sans-serif;
}

.csa .csa_hw_th{
    width: 30%;
    text-align: center;
    background-color: maroon;
    color: white;
    font-size: 14pt;
    font-family: Arial, Helvetica, sans-serif;
}

.csa .csa_no_td{
    width: 10%;
    text-align: center;
    background-color: white;
    color: black;
    font-size: 11pt;
    font-family: 'Times New Roman', Times, serif;
}

.csa .csa_cont_td{
    width: 60%;
    text-align: left;
    background-color: white;
    color: black;
    font-size: 11pt;
    font-family: 'Times New Roman', Times, serif;
}

.csa .csa_cont_td a{
    text-decoration: none;
    color: blue;
}

.csa .csa_cont_td a:hover{
    text-decoration: none;
    color: purple;
}

.csa .csa_cont_td a:active{
    text-decoration: none;
    color: blue;
}

.csa .csa_hw_td{
    width: 30%;
    text-align: left;
    background-color: white;
    color: black;
    font-size: 11pt;
    font-family: 'Times New Roman', Times, serif;
}

.csa .csa_hw_td a{
    text-decoration: none;
    color: blue;
}

.csa .csa_hw_td a:hover{
    text-decoration: none;
    color: purple;
}

.csa .csa_hw_td a:active{
    text-decoration: none;
    color: blue;
}

.csa tr:hover {
    background-color: rgb(193, 206, 250) !important;
}