.back_img{
            background-image:url(../img/partner.jpg);
            background-size:cover;
            /*filter: brightness(50%);*/
        }
        .box_set{
            border-radius:15px;
            background-color: rgb(233, 229, 229);
            /*box-shadow:0px 0px 10px black inset;*/
            padding:5%;
            margin-top:-15%;
            opacity:0.8;
        }
        .input{
            width:300px;
            margin-left:-12px;
            padding-left:25%;
        }
        .input1{
            width:300px;
            margin-left:-12px;
            padding-left:25%;
            padding-top:60px;
        }