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


#container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}


#save {
    position: absolute;
    left: calc(50% - 75px);
    bottom: 25px;
    width: 150px;
    font: normal 16px/1 "Open Sans", "Droid Sans", "Helvetica", "Consolas", sans-serif;
    color: #fff;
    padding: 10px 15px;
    background-color: #ec407a;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all 250ms ease;
}

#save:hover,
#save:focus {
    background-color: #e91e63;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.5);
}