#mainItem .t1{
    font-size: 72px;
}

#mainItem .cheaper {
    background: url('../images/ico/cheaper-kg.svg') center no-repeat;
}


#mainItem .t3 {
    max-width: 500px;
}



@media screen and (max-width: 720px) {
    #mainItem .t1{
        font-size: 24px;
        margin-top: 5px;
    }

    #mainItem .t3 {
        margin-top: 0px;
    }

    #mainItem .cheaper{
        width: 150px;
        height: 150px;
        left: 50%;
        left: calc(50% + 30px);
        bottom: 130px;
    }
}