.OK{
    padding: 1.5%;
    display: block;
    margin: 3% 4%;
    width: 28%;
    float: left;
    background: #ff7f40;
    color: #fff;
    font-weight: bold;
    text-align: center;
    font-size: 1.2em;
    border-radius: 5px;
    box-shadow: 1px 1px 0px 0px #ccc;
}
.NG{
    padding: 1.5%;
    display: block;
    margin: 3% 4%;
    width: 28%;
    float: left;
    background: #cccccc;
    color: #222;
    font-weight: bold;
    text-align: center;
    font-size: 1.2em;
    border-radius: 5px;
    box-shadow: 1px 1px 0px 0px #ccc;
}
.OK:hover,.NG:hover{
	opacity:0.8;
}

@media screen and (max-width: 425px){
.OK,.NG{
    font-size: 1em;
    width: 35%;
}