#theme-switch{
    position: fixed;
    right: 20px;
    top: 330px;
    width: 30px;
    height: 30px;
    color: red;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;  
}

#theme-switch .icons:last-child{
    display: none;
}

.darkmode #theme-switch .icons:first-child{
   display: none;
}

.darkmode #theme-switch .icons:last-child{
    display: block;
    color: white;
}