*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}
body{
    background-color: #3498db;
}
.main {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.box{
    background-color: white;
    width: 40%;
    height: 350px;
    box-shadow: 0px 0px 5px gray;
    border-radius: 5px;
    padding: 15px;
}
.row{
    width: 100%;
    margin: 2rem; 
}
button{
    width: 40%;
    font-size: 20px;
    height: 40px;
    margin-left: 6%;
    border: none;
    background-color: #3498db;
}
#end{
    background-color: rgba(25, 45, 227, 0.726);
    margin-top: 50px;
    
}