.menu_bottom {
    position: fixed;
    bottom: 0px;
    left: 0px;
    z-index: 99;
    box-shadow: 0px 4px 10px 0px #0e0e0e;
    width: 100%;
    background: #272727;
    height: 50px;
}

.menu_bottom p{
    margin-top: 0em;
    margin-bottom: 0px;
}
.auto {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}
.box_mnb {
    width: 33%;
    text-align: center;
    font-size: 18px;
    display: flex;
    gap: 0px;
    line-height: 60px;
}
.box_mnb a {
    color: #fff;
    padding: 10px 0px;
    display: block;
    line-height: 15px;
}

.box_mnb a:hover {
    color: red;
}
.box_mnb span {
    display: inline-block;
}
.left {
    float: left;
}
.box_mnb:nth-child(2) {
    background-image: linear-gradient(to right , #2aa428, #279b2b);
}
.box_mnb {
    width: 33%;
    text-align: center;
    font-size: 18px;
}
.box_mnb img {
    height: 40px;
    margin: 5px;
    border-radius: 10px;
    background: #02b000;
    padding: 5px;
}
.clr {
    clear: both;
}
.img-call-action-button{
    display: inline-block;
}
.dien_thoai{
    background: #cc0404;
}
.facebook_chat{
    background: #013b6d;
}
.zalo_chat{
    background: #0d8efd;
}
@media screen and (min-width:768px){
    
    .box_mnb {
        width: 33%;
        text-align: center;
        font-size: 18px;
        display: flex;
        gap: 0px;
        line-height: 60px;
    }
    .box_mnb a {
        color: #fff;
        padding: 10px 0px;
        display: block;
        line-height: 15px;
    }
    .box_mnb img {
        height: 40px;
        margin: 5px;
        border-radius: 10px;
        background: #02b000;
        padding: 5px;
    }


    .dien_thoai .text-cta{
        line-height: 52px;
        font-size: 20px;
        font-weight: bold;
        color: #fff;
    }
    
    .facebook_chat .text-cta{
        line-height: 52px;
        font-size: 20px;
        font-weight: bold;
        color: #fff;
    }
    
    .zalo_chat .text-cta{
        line-height: 52px;
        font-size: 20px;
        font-weight: bold;
        color: #fff;
    }


}
 @media only screen and (max-width: 768px) {
     .box_mnb {
        width: 33%;
        text-align: center;
        font-size: 18px;
        display: block;
        gap: 0px;
        line-height: 0px;
    }
    .box_mnb a {
        color: #fff;
        padding: 10px 0px;
        display: block;
        line-height: 15px;
    }
    .box_mnb img {
        height: 20px;
        margin: 3px;
        border-radius: 0px;
        background: none;
        padding: 0px;
    }
     
    .menu_bottom {
        display: block;
    }
    .menu_bottom {
        position: fixed;
        bottom: 0px;
        left: 0px;
        z-index: 99;
        box-shadow: 0px 4px 10px 0px #0e0e0e;
        width: 100%;
        background: #272727;
    }
    .box_mnb {
        width: 33%;
        text-align: center;
        font-size: 14px;
    }
    .text-cta {
        line-height: 20px;
        font-size: 14px;
        font-weight: bold;
        color: #fff;
    }
 }