@media (min-width: 769px){
 
.thuonghieu li a {
    display: block;
    position: relative;
}

.thuonghieu li a span {
    text-align: center;
    color: #000;
    text-transform: capitalize;
    display: block;
    min-height: 40px;
    line-height: 22px;
    }
.thuonghieu img {
    max-width: 100%;
    height: auto;
    
}
}


@media (max-width: 768px){
.thuonghieu li a {
    display: block;
}

.thuonghieu img {
    max-width: 100%;
    height: auto;
  
}
.thuonghieu li a span {
    text-align: center;
    color: #000;
    text-transform: capitalize;
    display: block;
    min-height: 40px;
    line-height: 22px;
}
.thuonghieu li{width: 15%}
    
}