img{
    max-width: 100%;
}
.img_list{
    padding-bottom: 20px;
    width: 100%;
}
.img_list img{
    width: 80%;
    border-bottom: 1px solid #e4e4e4;
    margin-left: 10%;
    padding-bottom: 20px;
    margin-top: 20px;
}
.steps{
    margin:25px 0;
}
.steps img{
    width: 80%;
    margin-left: 10%;
}