.tab {
    overflow: hidden;
}

/* Style the buttons that are used to open the tab content */
.tab button, input[type="submit"], input[type="reset"] {
    background: none;
    float: left;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    color: #4a4a4a
}

/* button behaviour */
.tab button:hover:enabled, .tab button:focus:enabled {
    background-color: transparent;
    color: #4a4a4a
}

/* Create an active/current tablink class */
.tab button.active {
    border-bottom: 3px solid #1d7484;
}

/* Style the tab content */
.tabcontent {
    display: none;
    border-top: none;
}