.sec80{
    position: relative;
    width: 100%;
    height: 50vh;
}
.sec80 img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.sec80 h4{
    position: absolute;
    font-size: 30px;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

/* sec81 */
.sec81{
    margin: 0 auto 40px;
    max-width: 1000px;
    padding: 0 20px;
}
.sec81 h4{
    margin: 40px 0 20px;
    font-size: 20px;
}
.sec81 p{
    font-size: 14px;
    margin-bottom: 15px;
}
.sec81 li{
    list-style: none;
    font-size: 14px;
    padding-left: 20px;
    margin-bottom: 15px;
}
.sec81 .add{
    list-style: none;
    font-size: 14px;
    padding-left: 30px;
    margin-bottom: 10px;
}

@media screen and (max-width: 797px){
    .sec81 li{
        padding-left: 10px;
    }
    .sec81 .add{
        padding-left: 15px;
    }
}