.exp_container {
    margin: 100px 0 0px 0;
    position: relative;
    z-index: 1;
}
.exp_msg {
    font-weight: bold;
    margin: 15px 0;
    font-size: 16px;
}
.goHome a {
    background: #343434;
    color: #fff;
    display: inline-block;
    padding: 10px 0px;
    width: 150px;
}
.goHome a:hover{
    text-decoration: none;
}
.goHome a img {
    margin-right: 12px;
}
.expBg {
    margin-top: -80px;
}
.pt-3 .d-flex.justify-content-center.px-2.mb-3 {
    padding-left: 0 !important;
    padding-right: 0px !important;
    margin-bottom: 0 !important;
}
.expBg .dark{display: none;}
@media screen and (max-width:640px){
    .exp_container>img {
        width: 180px;
    }
    .exp_container {
        margin: 30px 0 0px 0;
    }
    .expBg {
        margin-top: 0;
    }
}