body {
    margin: 0;
    background-color: rgb(43, 43, 43);
    
    overflow: hidden;
}

#avatar-link {

    display: block;
    border: 0;
    border-radius: 50%;
    width: 100px;
    height: 100px;
    background-image: url(../img/0.png);
    background-size: cover;
    padding: 0;
    border: 2px solid hsla(0, 0%, 100%, .4);
    margin: 0 auto;

}

#avatar-link::after {
    display: inline-block;
    content: "QAQ";
    color: white;
    font-size: 15px;
    border-radius: 50%;
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 100px;
    background-color: rgba(0, 0, 0, 0.6);
    opacity: 0;
    transition: opacity 0.1s;
}

#avatar-link:hover::after {
    opacity: 1;
}

#avatar-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#class-temp {
    color: white;
    position: absolute;
    width: 100px;
    height: 30px;
    background-color: rgba(255, 255, 255, 0.4);
    text-align: center;
    right: -4%;
    line-height: 30px;
    border-radius: 10px;
    opacity: 0;
    transition: all 0.2s;
}

#class-temp:hover {
    opacity: 1;
    right: 0%;
}