style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;

}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: darkslategrey;
  
}

.main_box{
    height: 500px;
    width: 500px;
    border: 3px solid red;
    border-radius: 50%;
    margin: 3rem;
    background:linear-gradient(50deg, #f17882,#dcf083);
    display: flex;
   justify-content: center;
  
}
.box{
    margin-top: 2rem;
    color: #000;
    display: flex;
    text-align: center;
    flex-direction: column;


}
.show{
    margin-top: 100px;
    text-align: center;
}
.show h2{
    margin-top: 15px;
    color: black;
    font-size: 30px;
}
.clock{
    width: auto;
    padding: 10px;
    font-size: 20px;
    border: none;
    border-radius: 25px;
    border: 3px solid grey;
}
.btns{
    display: flex;
    justify-content: center;
    align-items: center;
    justify-content: space-around;
    margin-top: 1rem;
}
.btn{
    border: none;
    font-size: 30px;
    background: transparent;
    text-align: center;
    cursor: pointer;

}