h2 {
    display: inline;
}
.block span {
    float: right;
}
.main {
    width: 50%;
    float: left;
    margin-top: 30px;
}
.block img, .main img {
    width: 70%;
    height: auto;
    margin-left: 15%;
}
.main img {
    width: 70%;
    height: auto;
    margin-left: 15%;
}
 @media (max-width: 1100px) {
 .main {
     width: 70%;
     margin-left: 15%;
 }
 }
 @media (max-width: 900px) {
 .main {
     width: 90%;
     margin-left: 5%;
 }
 }