.b-how {}
.b-how__flex {
    margin: 64px auto 20px;
    width: 1000px;
    display: flex;
    justify-content: space-between;
}
.b-how__item {
    position: relative;
    width: calc(33.33333333% - 16px);
    padding: 42px 48px 48px 48px;
    border-radius: 48px;
    z-index: 1;
    font: 600 16px/24px 'Open Sans', sans-serif;
    color: #575C63;
}
.b-how__item:before, .b-how__item:after {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border-radius: 48px;
}
.b-how__item:before {
    background: linear-gradient(237.84deg, #8D46FF 4.52%, #04E1FF 41.38%, #04E1FF 64.26%, #00FED0 82.61%);
    z-index: -2;
}
.b-how__item:after {
    width: calc(100% - 4px);
    height: calc(100% - 4px);
    background: #F9F9FA;
    z-index: -1;
}
.b-how__item>h3 {
    margin-bottom: 34px;
    font: 700 24px/36px 'Open Sans', sans-serif;
    color: #1B222F;
}
.b-how__n{
    display: inline-block;
    position: relative;
    margin-left: 16px;
    width: 40px;
    height: 40px;
    z-index: 1;
    font: 600 20px/39px 'Open Sans', sans-serif;
    text-align: center;
    color: #FFF;
}
.b-how__n:after{
    content: "";
    display: block;
    position: absolute;
    top: 2px;
    left: 2px;
    width: 36px;
    height: 36px;
    transform: rotate(45deg);
    z-index: -1;
    border-radius: 13px;
}
.b-how__item:nth-child(1) .b-how__n:after{
    background: #FF3F6E;
}
.b-how__item:nth-child(2) .b-how__n:after{
    background: #2F91E9;
}
.b-how__item:nth-child(3) .b-how__n:after{
    background: #01BF6C;
}
.b-how__link {
    padding-left: 30px;
    background: url("https://www.auslogics.com/includes/software/_how/img/download.svg") no-repeat;
    color: #1583E6;
}
.b-how__item b {
    color: #1b222f;
}
.b-how__manual {
    display: block;
    margin: 48px auto 0;
    width: fit-content;
    color: #1583E6;
}

@media (max-width: 1000px) {
    .mobile .b-how__flex {
        margin: 40px auto 20px;
        flex-wrap: wrap;
        width: auto;
        justify-content: center;
    }
    .mobile .b-how__item {
        width: 315px;
        margin: 24px 12px 0;
    }
    .mobile .b-how__item>h3 {
        font: 700 22px/32px 'Open Sans', sans-serif;
    }
}