*{
    padding: 0;
    margin: 0;
    border: 0;
    outline: 0;
    font-family: sans-serif;
}

body{
    width: 100%;
    height: 100svh;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    background-color: #202020;

    position: relative;

    overflow: hidden;
}

#today{

    position: absolute;

    top: 5svh;

    color: #fff;

}

#timer{

    font-size: 3rem;
    color: #fff;
    margin-bottom: 5%;

    border-bottom: 2px solid #fff;

    z-index: 1;

    animation: floating 15s infinite linear;

}

#congrats{

    display: none;

    color: #fff;

    animation: floating 5s infinite linear;

    > strong{

        animation: color-change 10s infinite linear;

    }

}

.firework{

    position: absolute;

    width: 10px;
    height: 10px;

    display: none;
    align-items: center;
    justify-content: center;

    /* background-color: #fff; */

    border: 2.5px dotted #002fff;

    border-radius: 100%;

    animation: explosion 2s infinite linear;

    > .firework2{

        border-radius: 100%;
        border: 2.5px dotted #002fff;
        animation: intern-explosion 2s infinite linear;

    }
}

@keyframes explosion {
    0%{
        width: 10px;
        height: 10px;        
        opacity: 1;
    }

    80%{
        opacity: 1;
    }

    100%{
        width: 100px;
        height: 100px;    
        opacity: 0;
    }
}

@keyframes intern-explosion {
    0%{
        width: 5px;
        height: 5px;        
        opacity: 1;
    }

    85%{
        opacity: 1;
    }

    100%{
        width: 70px;
        height: 70px;    
        opacity: 0;
    }
}

@keyframes floating {
    0%{
        transform: translateY(0px);
    }
    25%{
        transform: translateY(5px);
    }
    50%{
        transform: translateY(-5px);
    }
    75%{
        transform: translateY(5px);
    }
    100%{
        transform: translateY(0px);
    }
}

@keyframes color-change {
    0%{
        color: #f2ff00;
    }
    25%{
        color: #002fff;
    }
    50%{
        color: #22ff00;
    }
    75%{
        color: #ff0022;
    }  
    100%{
        color: #f2ff00;
    }
}