style.css

/* ここからCSSを記述してください。 */
.item-box{
    margin: 0.5em 4;
    padding: 0.5em 0;
    border: solid 2px white;
    background: #1A4567;
    color: white;

}

.item-img-50px{
    height: 50px;
    width: 50px;
}
.item-img-100px{
    height: 100px;
    width: 100px;
}

.burgerImg{
    height: 200px;
    width: 200px;
}

.item-cards{
    height: 25em;
}


/* .button {
} */
.button:hover{
    opacity:0.6;
}

.burgerImg:active {

    position: relative;
    top: 3px;
}


.pointer {
    animation-name: up-down;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    animation-duration: 1s;
}

@keyframes up-down {
    0% {
        transform: translate(0,0px);
    }

    100% {
        transform: translate(0,-15px)
    }
}