* {
    box-sizing: border-box;
}

body {
    background-color: #efefd6;
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0;
    overflow-x: hidden;
}

h1 {
    margin: 10px;
}

.box {
    background-color: steelblue;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30vw;
    height: 30vh;
    margin: 10px;
    border-radius: 10px;
    box-shadow: 2px 4px 5px rgb(0, 0, 0, 0.5);
    transform: translateX(300%);
    transition: transform 0.7s ease;
}

.box:nth-of-type(even) {
    transform: translateX(-300%);
}

.box.show {
    transform: translateX(0);
}

.box h2 {
    font-size: 45px;
}