* {
    margin: 0;
    padding: 0;
}

.container2 {
    max-width: 750px;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
    background-color: black;
}

.img-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.img-box img {
    display: grid;
	width: 100%;
}

.float-button {
    position: fixed;
    bottom: 5px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    width: 100%;
}
.button-1 {
    margin-right: 10px;
}
.button-2 {
}