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

body{
    background-color: gray;
}

h1{
   display: flex;
   justify-content: center;
   color: blue; 
}

.container{
    display: flex;
    justify-content: center;
}

input{
    padding: 10px;
    text-align: center;
    margin-bottom: 10px;
   
}

button{
    padding: 10px;
   
}