* {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    min-height: 100vh;
    background: linear-gradient(#121212,#292929);
    color: #ffffff;
    text-align: center;
    display: flex;
    flex-direction: column;
}

h1 {
    font-size: 160px;
    margin-top: 50px;
}

#min::before, #s::before {
    content: ":";
}

#ms {
    font-size: .5em;
}

#ms::before {
    content: ".";
}

main {
    margin-bottom: 30vh;
    user-select: none;
    flex: 1 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

button {
    margin-right: 10px;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 24px;
    text-align: center;
    user-select: none;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: transform .1s, ease, box-shadow 0.3s, opacity 0.1s;
    color: #fff;
}

.buttons {
    margin-top: 30px;
}

button:disabled {
    opacity: .5;
    cursor: not-allowed;
}

#activate {
    width: 105px;
}

button:not(:disabled):hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

button:not(:disabled):active {
    transform: scale(.9);
}

footer {
    flex-shrink: 0;
    opacity: .2;
}

@media (max-width: 800px) {
    h1 {
        font-size: 18vw;
    }
}