*{
    margin: 0;
    padding: 0;
    text-align: center;
    font-family: 'Space Mono', monospace;
}
h1{
    margin: 50px;
    font-size: 50px;
}
.countdown{
    width: 50vw;
    height: 25vh;
    background-color: black;
    color: white;
    border-radius: 10px;
    font-size: 50px;
    margin: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}
.btn{
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}
.button{
    width:100px;
    height: 50px;
    border-radius: 10px;
    border: 2px solid black;
    background-color: white;
    color: black;
    cursor: pointer;
    transition: 0.3s ease-in;
}
.button:hover{
    background-color: black;
    color: white;
    border: none;
}

@media screen and (max-width: 1130px) {
    .countdown{
        font-size: 40px;
        height: 100px;
    }
}
@media screen and (max-width: 880px) {
    .countdown{
        font-size: 30px;
        height: 100px;
    }
}
@media screen and (max-width: 670px) {
    h1{
        margin: 30px;
        font-size: 30px;
    }
    .countdown{
        font-size: 25px;
    }
}
@media screen and (max-width: 560px) {
    h1{
        margin: 30px;
        font-size: 30px;
    }
    .countdown{
        font-size: 20px;
    }
    .button{
        width:60px;
        height: 30px;
        font-size: 8px;
    }
}
@media screen and (max-width: 440px) {
    h1{
        margin: 20px;
        font-size: 25px;
    }
    .countdown{
        font-size: 15px;
        height: 50px;
    }
    .button{
        width:50px;
        height: 30px;
        font-size: 5px;
    }
}
@media screen and (max-width: 315px) {
    h1{
        margin: 10px;
        font-size: 20px;
    }
    .countdown{
        font-size: 10px;
        height: 10vh;
    }
}