.header-logo .logo a img {
    width: 60%;
}
.single-service .content p {
    font-size: 15px;
}
.service-col {
    background: #fff;
}
.blockchain-col {
    margin-top: 80px;
}
@media (max-width: 420px) {
    .header-logo {
        width: 75%;
    }
    .single-service {
        text-align: center;
    }
  }