#loginback {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    /* background: linear-gradient(130deg, #ad6eca, #3b91d8); */
    background-image: url('../../img/login.jpg'); /* Lucas Andrade, CC BY SA-4.0 */
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 50% 50%;
    transition: filter 500ms, background-color 500ms, opacity 1500ms ease-in-out;
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    display: none;
    z-index: 101;
}

#login {
    cursor: pointer;
    padding: 4px 50px 4px 50px;
    border: 2px solid #aaa;
    background-color: #eeeeee80;
    backdrop-filter: blur(10px) brightness(2);
    color: #121212;
    transition: background-color 300ms, transform cubic-bezier(0.14, 1.02, 0.17, 0.03) 300ms;
    font-size: 18px;
    border-radius: 10px;
}

#login:hover {
    background-color: #fafafa50;
}

#login:active {
    transform: scale(0.9);
}

#login-after {
    color: #fefefe;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
    margin: 6px 0px 6px 0px;
}

#loginback>div.user {
    width: 150px;
    height: 150px;
    border-radius: 100%;
    background-image: url("../../icon/user.svg");
    background-size: 65% 65%;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    margin-bottom: 10px;
    background-color: #ddd;
    transition: filter 500ms;
    margin-top: -35px;
}

#loginback>div.name {
    color: #fefefe;
    font-size: 30px;
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 15px;
    transition: color 500ms;
}

#loginback.close,
#loginback.close>div.user {
    filter: brightness(0);
}

#loginback.close>div.name,
#loginback.close #login-after {
    color: #000 !important;
}

#loginback.close {
    background-color: black;
}

#loginback .power {
    display: flex;
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 165px;
    justify-content: space-evenly;
    color: #fff;
    align-items: center;
}

#loginback .power>* {
    cursor: pointer;
    transition: all 300ms;
    font-size: 44px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    border-radius: 7px;
    transition: transform cubic-bezier(0.14, 1.02, 0.17, 0.03) 300ms;
}

#loginback .power>*:hover {
    background-color: var(--card);
}

#loginback .power>*:active {
    transform: scale(0.95);
}