@import url('https://fonts.googleapis.com/css2?family=Source+Sans+Pro:wght@300;400;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: 'Source Sans Pro', sans-serif;
}

.header1 {
    display: flex;
    justify-content: space-between;
    background-color: #0b4a80;
    height: 50px;
    width: 100%;
    position: fixed;
    z-index: 1;
}

.logogame {
    width: 50px;
}

.name {
    width: calc(100% - 50px);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 20px;
}

.arrow {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
}

    .arrow a i {
        font-size: 20px;
        color: white;
    }

/* phan noi dung  */
.contentuudai {
    padding-top: 50px;
    z-index: -1;
}

.tab {
    overflow: hidden;
    border: 1px solid #ccc;
    background-color: #f1f1f1;
    width: 100%;
    
    position: fixed;
    margin: 0 auto;
    z-index: 1;
}

.tablinks {
    width: 25%;
    z-index: 1;
}

.tablink1 {
    width: 50%;
    z-index: 1;
}

.tab button {
    font-size: 24px;
    background-color: inherit;
    float: left;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    transition: 0.3s;
}

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

    .tab button.active {
        color: rgb(9, 144, 99);
        border-bottom: 2px solid rgb(9, 144, 99);
    }

.tabcontent {
    display: none;
    border-top: none;
    width: 100%;
    padding-top: 77px;
    padding-bottom: 100px;
}

    .tabcontent img {
        width: 100%;
        margin-bottom: 10px;
    }


@media (min-width:250px) and (max-width:800px) {
    .contentuudai {
    }

    .tab {
        width: 100%;
    }

        .tab button {
            padding: 10px 4px;
            font-size: 12px;
        }

    .tabcontent {
        padding: 50px 5px;
    }

    .titlenoti {
        font-size: 13px;
    }
}


.tablinksthongbao {
    width: 50%;
    z-index: 2;
}

.tabcontentthongbao {
    display: none;
    padding: 60px 12px;
    /* border: 1px solid #ccc; */
    border-top: none;
    width: 100%;
    z-index: -1;
}

.warnoti {
    color: #4c8ac1;
}

.titlenoti {
    margin-left: 6px;
}

.nameprofile {
    width: calc(100% - 20px);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 16px;
}