.about_top_txt{
    text-align: center !important;
    line-height: 3.5rem;
    font-size: 2rem;
    letter-spacing: -0.05rem;
}

.about_top_txt b{
    font-weight: bold;
}
.about_bottom_txt {
    margin: 50px 0 100px 0;
    text-align: center !important;
    line-height: 1.6rem;
    letter-spacing: -0.05rem;
}
.about_bottom_txt h3{
    letter-spacing: 1rem;
}

.circle{
    display: flex;
    flex-flow: nowrap;
    justify-content: center;
    color: #fff;
}
.circle div{
   width: 300px;
   height: 300px;
   border-radius: 300px;
   line-height: 300px;
}
.circle .bl_circle{
    background: #000;
}

.circle .br_circle{
    background: #d3a57f;
}
.circle .plus_circle{
    width:5%;
   color: #000;
}

@media (max-width: 1180px) {
    .about_top_txt{
        line-height: 2.5rem;
        font-size: 1.5rem
    }
    .circle div{
        width: 200px;
        height: 200px;
        border-radius: 200px;
        line-height: 200px;
     }
     .about_bottom_txt {
        margin: 100px 0;
    }
    .about_bottom_txt h3{
        letter-spacing: 1rem;
    }
}
@media (max-width: 767px) {
    .about_top_txt{
        margin-top: 50px;
        line-height: 1.8rem;
        font-size: 1rem
    }
    .about_bottom_txt {
        margin: 50px 0 0 0;
    }
    .circle div{
       width: 100px;
       height: 100px;
       border-radius: 100px;
       line-height: 100px;
    }
}