.block {
    position:absolute;
}

input {
    width:49px;
    height:49px;
    border:none;
    background:none;
    padding:0;
    display:inline-block;
    float:left;
    box-sizing:border-box;
    text-align: center;
    font-size: 2.5em;
}

input.right {
	color:#8bc53f;
}

input.wrong {
	background:rgba(255,0,0,0.5);
}

.block > div {
    position:absolute;
    left:-50px;
    display:block;
    margin-top:74px;
}