*{
    font-family: monospace;
    transition: background-color 0.3s, color 0.3s;
}

body {
    background-color: black;
    color: hotpink;
}

body.light-mode {
    background-color: white;
    color: deeppink;
}

.combo-box {
    color: hotpink;
    background-color: black;
    border: 2px solid hotpink;
    border-radius: 10px;
    width: 200px; 
    height: 50px; 
    text-align: center;
    font-size: 2em;
}

body.light-mode .combo-box {
    color: deeppink;
    background-color: white;
    border-color: deeppink;
}

.time-combo-box::-webkit-scrollbar {
    width: 20px;
}

.time-combo-box::-webkit-scrollbar-thumb {
    background-color: hotpink;
    border: 4px solid transparent;
    border-radius: 12px;
    background-clip: padding-box;  
}

body.light-mode .time-combo-box::-webkit-scrollbar-thumb {
    background-color: deeppink;
}

.time-combo-box::-webkit-scrollbar-track {
    background-color: black;
}

body.light-mode .time-combo-box::-webkit-scrollbar-track {
    background-color: white;
}

.clock {
    display: flex;
    justify-content: center;
    font-size: calc(10vw / 1);
}

.day-counter {
    text-align: center;
    font-size: 2em;
    margin-top: 20px;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2em;
    cursor: pointer;
}

.time-presets {
    display: grid;
    justify-content: center;
}

.speed-presets {
    display: grid;
    justify-content: center;
    margin-top: 100px;
    justify-items: center;
}

.time-presets .tooltiptext, 
.speed-presets .tooltiptext {
    color: hotpink;
    opacity: 0;
    transition: opacity 2s;
    display: grid;
    place-items: center;
    font-size: 2em;
}


.time-presets .tooltiptext::after {
    content: "";
    border-width: 8px;
    border-style: solid;
    border-color: hotpink transparent transparent;
}

.speed-presets .tooltiptext::after {
    content: "";
    border-width: 8px;
    border-style: solid;
    border-color: hotpink transparent transparent;
}

.time-presets:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}
.time-presets:hover .tooltiptext,
.speed-presets:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}