html,body
{
    margin: 0;
    padding: 0;
    height: 100%;
}

body
{
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.5s;
}

.light_theme
{
    color: black;
    background: white;
}

.dark_theme
{
    color: #d4d4d4;
    background: #1e1e1e;
}

.switch_btn
{
    width: 55px;
    height: 30px;
    border-radius: 20px;
    position: relative;
}

.light_theme .switch_btn
{
    background-image: url(images/light.png);
    background-size: contain;
    border: 2px solid #1e1e1e;
}

.dark_theme .switch_btn
{
    background: url(images/dark.png);
    background-size: contain;
    border: 2px solid #d4d4d4;
}

.switch_btn:hover
{
    cursor: pointer;
}

.switch_rnd
{
    width: 26px;
    height: 26px;
    border-radius: 50%;
    position: absolute;
    top: 2px;
}

.light_theme .switch_rnd
{
    right: 2px;
    background: #1e1e1e;
}

.dark_theme .switch_rnd
{
    left: 2px;
    background: #d4d4d4;
}