.logos{
    position: relative;
    padding: 3% 0 7%;
}
.logo2{
    float: none;
    margin-right: 0;
    position: absolute;
    left: 5%;
    top: 5%;
    margin-top: 0;
}
.logo3{
    float: none;
    margin-left: 0;
    display: block;
    margin: 0 auto;
}
.intro-txt{
    padding: 0 5%;
}
.intro-txt img{
    width: 300px;
}
.intro-txt .ar-txt{
    float: right;
}
.intro-txt .en-txt{
    float: left;
}

.last-txt{
    padding: 5%;
}
.last-txt .en-ftr{
    float: left;
    width: 50%;
}
.last-txt .ar-ftr{
    float: right;
    direction: rtl;
    text-align: right;
}

.units .item{
    box-sizing: border-box;
    width: 25%;
    padding: 0 2%;
}
.units .item img{
    width: 100%;
}
.units .item:nth-of-type(2){
    margin: 0;
}

.serial p:first-child, .serial-one{
    background: transparent;
}

@media(max-width: 991px){
    .logos{
        padding: 3% 0 15%;
    }
    .intro-txt img{
        width: 200px;
    }
}
@media(max-width: 767px){
    .units .item{
        width: 50%;
    }
    .logos{
        padding: 3% 0 5%;
    }
    .logo2{
        position: static;
        float: left;
        margin-left: 5%;
        width: 100px;
    }
    .logo3{
        display: inline-block;
        float: right;
        width: 150px;
        margin-top: 5%;
        margin-right: 5%;
    }
    .intro-txt img{
        width: 150px;
    }
    .last-txt{
        font-size: 9px;
    }
}
@media(max-width: 600px){
    .units .item{
        width: 50%;
        float: none;
        margin: 20px auto;
    }
    .units .item:nth-of-type(2){
        margin: 20px auto;
    }
}