*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: white;
}

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

button{
    width: 100%;
    margin: 0 2px;
    border: none;
    height: 30px;
    font-size: 16px;
}

button:focus{
    transform: scale(0.97);
}