#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all 0.3s;
    z-index: 9999;
}

.completed {
    opacity: 0;
    visibility: hidden;
}

.header {
    background-color: var(--theme3);
    text-align: right;
    display: flex;
    justify-content: space-between;
    width: 100vw;
    position: fixed;
    z-index: 90;
}

.header a {
    text-decoration: none;
    color: var(--gray);
}

.logo {
    background-color: var(--theme1);
    color: #FFFFFF;
    font-size: 30px;
    margin: 0;
}

.logo a {
    display: inline-block;
    font-family: "Fira Code", monospace;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    text-decoration: none;
    color: #FFFFFF;
    padding: 10px;
}

@media (min-width: 768px) {
    .user-space {
        margin: auto 30px;
    }
}

@media (max-width: 768px) {
    .user-space {
        margin: auto 1em;
    }
}