/* 滚动条 */

/* no effect about width setting */
::-webkit-scrollbar {
    width: 1px;
    height: 1px;
}

/* bar background */
::-webkit-scrollbar-track {
    background-color: rgba(160, 217, 255, 0.623);
    border-radius: 1em;
}

/* the bar */
::-webkit-scrollbar-thumb {
    background-color: rgb(248, 156, 156);
    background-image: -webkit-linear-gradient(45deg,
            /* render sequence is reverse */
            rgb(255, 149, 149) 10%,

            rgb(155, 243, 255) 30%,
            rgb(158, 156, 248) 50%,
            rgb(155, 243, 255) 75%,

            transparent 85%,
            transparent);
    border-radius: 1em;
}

::-webkit-scrollbar-corner {
    background-color: transparent;
}

::-moz-selection {
    color: #fff;
    background-color: #00eeff;
}