* {
    margin: 0;
    padding: 0;
    vertical-align: bottom;
    text-align: center;
}

img {
    max-width: 100%;
    margin-top: -1px;
}

.bg_pink {
    background-color: #fdc8d8;

}

#hidden-element {
    position: relative;
    overflow: hidden;
    height: 0;
    opacity: 0;
    transition: height 0.5s, opacity 0.5s;

}

#hidden-element.show {
    height: auto;
    opacity: 1;
    padding: 10px;
}

#toggle-button {
    padding: 0 1em 2em 1em;
    animation: shake 4s infinite;

}


@keyframes shake {
    0% {
        transform: translate(0, 0);
    }

    25% {
        transform: translate(0px, 10px);
    }

    50% {
        transform: translate(0px, -10px);
    }

    75% {
        transform: translate(0px, 10px);
    }

    100% {
        transform: translate(0, 0);
    }
}

.cute-button {
    display: inline-block;
    position: relative;
    z-index: 9999;
}

.cute-button img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 0.2s;
    transform: scale(1.1);
    animation: shake2 2s infinite;
}

@keyframes shake2 {

    0%,
    25%,
    100% {
        transform: translateX(0);
    }

    5% {
        transform: translateY(-5px);

    }

    10% {
        transform: translateY(5px);

    }

    15% {
        transform: translateY(-5px);

    }

    20% {
        transform: translateY(5px);

    }


}

footer {
    text-align: center;
    padding: 0.5em;
    background-color: darkslategrey;
    color: #fff;
    margin-top: 4em;
}

@media screen and (min-width: 750px) {
    body {
        background: #c3dae3 url(images/bg.png) repeat;
        background-size: 60%;
    }

    .wrap {
        max-width: 750px;
        margin: 0 auto;
        box-shadow: -10px 0 20px rgba(0, 0, 0, 0.1), 10px 0 20px rgba(0, 0, 0, 0.1);
        background-color: #fff;
        padding-bottom: 3em;


    }

    img {
        margin-top: 0;
    }
}