/********/
/* BASE */
/********/

body{
    background-color: #f04156;
    background-image: url('../img/drink-more-soda.png');
    color: #f9f4ea;
    padding: 0;
    margin: 0;
}


/**********/
/* LAYOUT */
/**********/


/***********/
/* MODULES */
/***********/

.entrance {
    position: relative;
    height: 100vh;
}
.entrance-button {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    display: block;

    animation-duration: .5s;
    animation-name: pulse;
    animation-iteration-count: infinite;
}
.entrance-button > img {
    width: 100%;
    max-width: 18em;
    display: block;
}

/**************/
/* ANIMATIONS */
/**************/

@keyframes pulse {
    0% {
        transform: translateX(-50%) translateY(-50%) scale(1);
    }

    50% {
        transform: translateX(-50%) translateY(-50%) scale(1.5);
    }

    100% {
        transform: translateX(-50%) translateY(-50%) scale(1);
    }
}