* {
    margin: 0;
    padding: 0;
}

.container {
    height: 100vh;
    background-color: rgb(30, 30, 30);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.clock-body {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 20px;
    border-radius: 50px;
    box-shadow: 0 0 50px 5px rgb(0, 0, 0);
}

.clock {
    color: #01ffaf;
    font-size: 4rem;
}

button {
    padding: 1rem;
    width: 10rem;
    border: none;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.756);
    background-color:#01ffaf;
    margin: 30px 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
}

button:hover {
    color:#01ffaf;
    background-color: rgb(50, 50, 50);
}

@media only screen and (max-width: 600px) {  
    .clock-body button{
        display: block;
        padding: 12px;
        width: 20rem;
    }   
}
@media only screen and (max-width: 400px) {

  
    .clock-body button{
        width: 15rem;
    }
    .clock {
        font-size: 3rem;
    }
    
}