:root{
    --main-bg-color: #fff;
    --main-text-color:#888888;
}
[data-theme="dark"]{
    --main-bg-color:#1e1f26;
    --main-text-color:#ccc;

}
[data-theme="pink"]{
    --main-bg-color:#F859CD;
    --main-text-color:#C60091;

}

*{
    box-sizing: border-box;
}

body{
    margin: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    font-size: 16px;
    background-color: var(--main-bg-color);
    position: relative;
    transition: all ease 0.2s;
}

.page-header{
    font-size: 2rem;
    color: var(--main-text-color);
    padding: 1em 0;
    font-family: monospace;
    text-transform: uppercase;
    letter-spacing: 4px;
    transition: all ease 0.2s;
}

.clock{
    min-height: 18em;
    min-width: 18em;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--main-bg-color);
    background-image: url("clock.png");
    background-position: center center;
    background-size: cover;
    border-radius: 50%;
    border: 4px solid var(--main-bg-color);
    box-shadow: 0 -15px 15px rgba(255, 255, 255, 0.05),
            inset 0 -15px 15px rgba(255, 255, 255, 0.05), 0 15px 15px rgba(0, 0, 0, 0.03),
            inset 0 15px 15px rgba(0, 0, 0, 0.03);
    transition: all ease 0.2s;
}
.clock:before{
    content: "";
    height: 0.75rem;
    width: 00.75rem;
    background-color: var(--main-text-color);
    border: 2px solid var(--main-bg-color);
    position: absolute;
    border-radius: 50%;
    z-index: 1000;
    transition: all ease 0.2s;
}

.hour,.min,.sec{
    position: absolute;
    display: flex;
    justify-content: center;
    border-radius: 50%;
}

.hour{
    height: 10em;
    width: 10em;
}
.hour:before{
    content: "";
    position: absolute;
    height: 50%;
    width: 6px;
    background-color: var(--main-text-color);
    border-radius: 6px;
}
.min{
    height: 12em;
    width: 12em;
}
.min:before{
    content: "";
    height: 50%;
    width: 4px;
    background-color: var(--main-text-color);
    border-radius: 4px;
}
.sec{
    height: 13em;
    width: 13em;
}
.sec:before{
    content: "";
    height: 60%;
    width: 2px;
    background-color: #f00;
    border-radius: 2px;
}

.switch{
    margin: 2em auto;
    bottom: 0;
}
.switch .switch-btn{
    font-family: monospace;
    text-transform: uppercase;
    outline: none;
    padding: 0.5rem 1rem;
    background-color: var(--main-bg-color);
    color: var(--main-text-color);
    border: 1px solid var(--main-text-color);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all ease 0.3s;
}