style.css

.mean-heading {
    color: #111;
    padding: 30px;
    padding-bottom: 1px;
    margin: 50px 0;
    font-weight: 1000;
    text-transform: uppercase;
    letter-spacing: 10px;
    font-size: 30px;
}

h3 {
    font-size: 28px;
    color: black;
}

.container {
    color: white;
    background: black;
    margin: auto;
    padding: 12px;
    border-radius: 8px;
    font-size: 23px;
}
#realtime #time {
    display: flex;
}

div {
    position: relative;
    margin: 0 5px;
}

label:before {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    background: inherit;
    top: 0.5rem;
    filter: blur(0.4rem);
    opacity: 0.7;
    z-index: -1;
}

div label {
    cursor: pointer;
    position: relative;
    text-align: center;
    width: 200px;
    height: 150px;
    background: linear-gradient(to right, #111, #fff);
    color: #111;
    font-weight: 550;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3em;
    z-index: 10;
}

div label:nth-child(2) {
    height: 30px;
    font-size: 0.7em;
    letter-spacing: 0.2em;
    z-index: 9;
    color: #111;
    text-transform: uppercase;
    background: linear-gradient(to right, #111, #fff);
    top: 1px;
}

.hrs {
    transition: 0.9s ease;
    font-size: 30px;
}

.hrs :hover {
    transform: scale(1.1);
    background: #fff;
}

.mint {
    transition: 0.9s ease;
    font-size: 30px;
}

.mint :hover {
    transform: scale(1.1);
    background: #fff;
}

.sec {
    transition: 0.9s ease;
    font-size: 30px;
}

.sec :hover {
    transform: scale(1.1);
    background: #fff;
}