.contain-use{
    margin: 40px 0px 50px 0px;
}

.box_use .box_use_sm:first-child {
    padding: 0;
    margin: 0;
}

.box_use .box_use_sm {
    padding: 0;
    margin: 3rem 0px 0px 0px;
    box-shadow: 3px 3px 5px rgba(0, 0, 0, .2);
}

.box_use .box_use_sm .box_right{
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.box_use .box_use_sm .box_right:before{
    content: " ";
    width: 100%;
    height:100%;
    position: absolute;
    opacity: 0.2;
    background-color: #f2f2f2;
}
.box_right .box_type{
    position: relative;
    z-index: 0;
    text-align: center;
    color: #2e2c7c;
    padding: 1em;
}
.box_right .box_type .type{
    font-weight: bold;
    font-size: 1.8em;
    line-height: 1.3em;
}
.box_right .box_type .desc{
    font-size: 1.1em;
    line-height: 1.5em;
    padding: 0.8em 6em;
}

.box_right .box_type .btn {
    font-size: 1rem !important;
    padding: 0.6em 3em;
}
/*------ contain-video ----------*/
.contain-list-video h2{
    font-family: 'Noto Sans Thai', sans-serif;
    font-size: 1.6em;
}

.topic-list-video{
    background-color: #2e2c7c;
    font-weight: 600;
    padding: 8px 20px 8px 15px;
    margin: 1px 0px;
    color: white;
    font-size: 1em;
}
.topic-list-video .name .bold{
    font-family: 'Noto Sans Thai', sans-serif;
    font-size: 1.1em;
}

.contain-list-video .list-video{
    background-color: #f0f0f0;
    cursor: pointer;
    /* height: 45px; */
    border-bottom: 1.5px solid #ffffff;
}
.contain-list-video .list-video:hover{
    background-color: #e8e8e8;

}
.contain-list-video .list-video .icon i.fa-youtube{
    font-size:1.7em;
    display: block;
    margin: auto 0px;
    color: #676767;
}
.contain-list-video .list-video .name{
    font-family: 'Noto Sans Thai', sans-serif;
    color: #676767;
    font-size: 0.9em;
    padding: 12px 30px 12px 0px;
    line-height: 1.4em;
}
.contain-list-video .list-video .name i{
    position: absolute;
    top: 1em;
    right: 12px;
}
.contain-list-video .list-video .btn{
    font-family: 'Noto Sans Thai', sans-serif;
    font-size: 0.7em;
    background-color: #2e2f7a;
    color: white;
    padding: 0.4em 1em;

}
.contain-list-video .list-video .btn:hover{
    background-color: #282969;
}


@media only screen and (max-width: 1200px) {

    .box_right .box_type .type{
        font-size: 1.5em;
    }
    .box_right .box_type .desc{
        font-size: 0.95em;
        line-height: 1.5em;
        padding: 0.8em 3.5em;
    }
    .box_right .box_type .btn{
        font-size: 0.8em;
    }
}
@media only screen and (max-width: 992px) {

    .box_right .box_type{
        margin: .5em auto;
    }
}
@media only screen and (max-width: 768px) {

    .topic-list-video{
        font-size: 0.95em;
    }

}
@media only screen and (max-width: 500px) {


    .box_right .box_type .type {
        font-size: 1.5em;
    }
    .box_right .box_type .desc {
        font-size: 0.9em;
        line-height: 1.5em;
        padding: 0.8em 3em;
    }
    .box_right .box_type .btn {
        font-size: 1.em;
    }


    .topic-list-video{
        font-size: 0.9em;
    }
    .contain-list-video .list-video .icon i.fa-youtube{
        font-size:1.5em;
    }
    .contain-list-video .list-video .name{
        font-size: 0.85em;
        padding: 12px 30px 12px 0px;
        line-height: 1.6em;
    }
    .contain-list-video .list-video .name i{
        position: absolute;
        top: 1em;
        right: 12px;
    }

}
@media only screen and (max-width: 415px) {

    .box_right .box_type .type {
        font-size: 1.5em;
    }
    .box_right .box_type .desc {
        font-size: 0.8em;
        line-height: 1.5em;
        padding: 0.8em 3em;
    }
    .box_right .box_type .btn {
        font-size: 1em;
    }

}