.tab {
    width: 100%;
    overflow: hidden;
    border: 1px solid #ccc;
    background-color: #ffffff;
    border-radius: 5px;
}


/* Style the buttons inside the tab */

.tab button {
    width: 50%;
    background-color: inherit;
    float: left;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 7px 16px;
    transition: 0.3s;
    font-size: 17px;
    color: black;
}

.tab .tab-ban {
    border-right: 1px solid #cbcbcb;
}

.tab .button-dau-chu {
    width: 100%;
    border-top: 1px solid #cbcbcb !important;
}


/* Change background color of buttons on hover */

.tab button:hover {
    background-color: #f8f5f5;
}


/* Create an active/current tablink class */

.tab button.active {
    background-color: orange;
    color: white;
}

@media screen and (max-width: 1200px) {
    .my-mobile {
        display: none;
    }
}

@media screen and (min-width: 1200px) {
    .my-desktop {
        display: none;
    }
}