style.css

*{
    margin:0 ;
    padding: 0;
    font-family:'Poppins',sans-serif;
    box-sizing: border-box;
}

.hero{
    background: linear-gradient(45deg, #1d0000, #20205b);
    height: 100%;
    width: 100%;
    min-height: 100vh;
}

#heading{
    color: #fff;
    text-align: center;
    font-size: 60px;
    padding-top: 50px;
    font-weight: 500;
}

#heading span{
    color: #f4351e ;
}

.calendar{
    display: flex;
    justify-content: center;
    margin-top: 30px;
    margin-bottom: 0px;
}

.box{
    width: 300px;
    height: 250px;
    background: #fff;
    display: flex;
    align-items: center;
    border-radius: 10px;
}

.left, .right{
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    font-size: 24px;
}

.right{
    width: 42%;
    background-color: #f4351e;
    color: #fff;
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
}

.left{
    width: 58%;
}

#date{
    font-size: 100px;
    line-height: 90px;
}

#copyright{
    color: #fff;
    text-align: center;
    font-size: 20px;
    font-weight: 500;
    margin-top: 100px;

}