.container {
    width: 900px;
}

.bl_steps {
    counter-reset: step;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.bl_steps .bl_step {
    margin-bottom: 20px;
    padding-left: 1.7em;
}

.bl_step.bl_step--three {
    width: 30%;
}

.bl_steps ol {
    list-style-type: none;
}

.bl_steps ul {
    list-style-type: disc;
    padding-left: 1.2em;
}

.bl_steps ol > li::before {
    counter-increment: step;
    content: counter(step) " ";
    font-size: 2rem;
    color: gray;
    font-weight: 700;
}

.bl_steps ol > li {
    font-size: 1.2rem;
    text-indent: -1.7em;
    line-height: 1.4em;
}

.bl_steps img {
    max-width: 100%;
    border: solid 1px gray;
    margin: 8px 0;
}

@media screen and (max-width: 479px) {
.container {
    width: 100%;
}
.bl_steps {
    display: block;
}
.bl_steps .bl_step {
    width: 100%;
}
}