testjeas4

#customers {
font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
border-collapse: collapse;
width: 100%;
font-size: 12px;
}

#customers td, #customers th {
border: 1px solid #ddd;
padding: 8px;
}

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

#customers tr:hover {background-color: #ddd;}

#customers th {
padding-top: 9px;
padding-bottom: 8px;
text-align: left;
background-color: #4CAF50;
color: white;
}
#pauthor{ font-size: 10px;}

* {box-sizing: border-box}
body {font-family: "Lato", sans-serif;}

/* Style the tab */
.tab {
float: left;
border: 1px solid #ccc;
background-color: #f1f1f1;
width: 22%;
height: 600px;
}

/* Style the buttons inside the tab */
.tab button {
display: block;
background-color: inherit;
color: black;
padding: 12px 10px;
width: 100%;
border: none;
outline: none;
text-align: left;
cursor: pointer;
font-size: 15px;
}

/* Change background color of buttons on hover */
.tab button:hover {
background-color: #4CAF50;
}

/* Create an active/current "tab button" class */
.tab button.active {
background-color: #4CAF50;
}

/* Style the tab content */
.tabcontent {
float: left;
padding: 0px 0px;
border: 1px solid #ccc;
width: 78%;
border-left: none;
height: 600px;
display: none;
}

/* Clear floats after the tab */
.clearfix::after {
content: "";
clear: both;
display: table;
}
Volume 1- Issue 1Volume 1- Issue 2Volume 2- Issue 1Volume 3- Issue 1Volume 3- Issue 2Volume 4- Issue 1Volume 4- Issue 2Volume 5- Issue 1Volume 5- Issue 2

 
function openCity(evt, cityName) {
var i, tabcontent, tablinks;
tabcontent = document.getElementsByClassName("tabcontent");
for (i = 0; i < tabcontent.length; i++) {
tabcontent[i].style.display = "none";
}
tablinks = document.getElementsByClassName("tablinks");
for (i = 0; i < tablinks.length; i++) {
tablinks[i].className = tablinks[i].className.replace(" active", "");
}
document.getElementById(cityName).style.display = "block";
evt.currentTarget.className += " active";
}