body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.container {
    display: flex;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    border: 1px solid #ccc;
}

.labels {
    width: 17%;
    border-right: 1px solid #ccc;
    padding: 20px;
}

.label-button {
    display: block;
    width: 50%;
    padding: 10px;
    margin-bottom: 10px;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 20px;
    margin-top: 5%;
    background:none;
}

.label-button:hover {
    background-color: #ddd;
}

.content {
    width: 80%;
    padding: 20px;
}

.page {
    display: none;
    width: 100%;
    height: 95%;
}
#page1
{
    background-color:bisque;
    overflow-y: auto;
}
#page2
{
    background-color:bisque;
    overflow-y: auto;
}
#page2_header
{
    height: 8%;
}
#page2_title
{
    width: 30%;
    height: 100%;
    float: left;
    margin-left: 30%;
}
#page2_button
{
    width: 25%;
    height: 100%;
    float: left;
    margin-left: 10%;
}
#page2_button button
{
    width: 20%;
    height: 60%;
    font-size: 20px;
    margin-top: 5%;
}

#page2_pagination
{
    width: 40%;
    height: 5%;
    float: left;
    margin-left: 40%;
}
#page3_pagination
{
    width: 40%;
    height: 5%;
    float: left;
    margin-left: 40%;
}
#page3
{
    background-color:bisque;
}
#page4
{
    background-color:bisque;
}
.page.active {
    display: block;
    width: 100%;
    height: 100%;
    border: 1px solid #ccc;
    background-color:bisque;
}
.page.active h2
{
    font-size: 30px;
    margin-left: 45%;
}
#total_Voltage 
{
    width: 30%;
    height: 25%;
    float: left;
    margin-left: 15%;
    margin-top: 2%;
    border: 1px solid #ccc;
}
#total_Voltage td
{
    width: 100px;
    height: 50px;
    margin-left: 10%;
}
#total_Current
{
    width: 30%;
    height: 25%;
    float: left;
    margin-left: 15%;
    margin-top: 2%;
    border: 1px solid #ccc;
}
#total_Power
{
    width: 30%;
    height: 25%;
    float: left;
    margin-left: 15%;
    margin-top: 2%;
    border: 1px solid #ccc;
}
#total_power_consumption
{
    width: 30%;
    height: 25%;
    float: left;
    margin-left: 15%;
    margin-top: 2%;
    border: 1px solid #ccc;
}
#total_freq
{
    width: 30%;
    height: 25%;
    float: left;
    margin-left: 15%;
    margin-top: 2%;
    border: 1px solid #ccc;
}
#Operation
{
    width: 30%;
    height: 15%;
    float: left;
    margin-left: 15%;
    margin-top: 2%;
    border: 1px solid #ccc;
}
#Operation button
{
    width: 20%;
    height: 35%;
    font-size: 20px;
    margin-top: 2%;
    float: left;
    margin-left: 15%;
    margin-top: 10%;
}
#Voltage_label
{
    font-size: 30px;
    margin-left: 30%;
    margin-top: 5%;
}
td
{
    width: 200px;
    font-size: 30px;
    text-align: center;
    border: 1px solid #ccc;
}
th
{
    width: 200px;
    font-size: 30px;
    text-align: center;
    border: 1px solid #ccc;
}
#Voltage
{
    font-size: 30px;
    text-align: center;
    float: left;
    margin-left: 20%;
    margin-top: 1%;
}
#Voltage nav
{
    float: left;
    font-size: 30px;
}
#L1
{
    width: 300px;
    height: 50px;
    float: left;
}
#L2
{
    width: 300px;
    height: 50px;
    float: left;
}
#L3
{
    width: 300px;
    height: 50px;
    float: left;
    margin-top: 1%;
}
#V
{
    font-size: 40px;
    text-align: center;
    float: left;
    margin-top: 8%;
    margin-left: 1%;
}
#Current
{
    font-size: 30px;
    text-align: center;
    float: left;
    margin-left: 28%;
    margin-top: 1%;
}
#Current nav
{
    float: left;
    font-size: 30px;
}
#Power
{
    font-size: 30px;
    text-align: center;
    float: left;
    margin-left: 20%;
    margin-top: 1%;
}
#Power nav
{
    float: left;
    font-size: 30px;
}
#power_consumption
{
    font-size: 30px;
    text-align: center;
    float: left;
    margin-left: 25%;
    margin-top: 1%;
}
#power_consumption nav
{
    float: left;
    font-size: 30px;
}
#freq
{
    font-size: 30px;
    text-align: center;
    float: left;
    margin-left: 20%;
    margin-top: 1%;
}
#freq nav
{
    float: left;
    font-size: 30px;
}
td
{
    font-size: 20px;
}
td button
{
    width: 80px;
    height: 50px;
    font-size: 20px;
    border: 1px solid #ccc;
    cursor: pointer;
}
th
{
    font-size: 20px;
}
#page3 table
{
    margin-left: 2%;
}
#page3 tbody
{
 width: 100%;
 height: 100%;   
}
#page3 td
{
    width: 300px;
    height:50px;
}
#page4 table
{
    margin-left: 1%;
}
#tbody button
{
    width: 100%;
    height: 120%;
}
#tbody button
{
    width: 100%;
    height: 120%;
}
.modal {
    display: none;
    position: fixed; 
    z-index: 1; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgb(0,0,0); 
    background-color: rgba(0,0,0,0.4); 
    padding-top: 60px;
  }
  
  .modal-content {
    background-color: #fefefe;
    margin: 5% auto; 
    margin-left: 40%;
    padding: 20px;
    border: 1px solid #888;
    width: 30%; 
  }
  
  .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
  }
  
  .close:hover,
  .close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
  }