* {
    box-sizing: border-box
}


/* Style the tab */

.tab {
    float: left;
    /* bor er: 1px solid #ccc; */
    background-color: #f1f1f1;
    width: 28%;
    /* he ight: 300px; */
}


/* Style the buttons inside the tab */

.tab button {
    display: block;
    background-color: inherit;
    color: rgb(0, 0, 0);
    padding: 22px 16px;
    width: 100%;
    border: none;
    outline: none;
    text-align: left;
    cursor: pointer;
    transition: 0.3s;
    font-size: 17px;
}


/* Change background color of buttons on hover */

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


/* Create an active/current "tab button" class */

.tab button.active {
    background-color: #fff;
    font-weight: bold;
    border-bottom: 1px solid red;
    border-top: 1px solid red;
}

.tab button.active::after {
    content: "      \0020  \0020  \0020  \2192";
    font-weight: bold;
}


/* Style the tab content */

.tabcontent {
    float: left;
    padding: 0px calc(1% + 12px);
    border: 1px solid #ccc;
    width: 70%;
    border-left: none;
    border-right: none;
    margin-left: 1%;
    /* hei ght: 300px; */
}