.step_box{position:relative;}
.step_box strong{padding:5px 10px;margin-right:8px;color:#fff;font-weight:900;border-radius:100px;font-size:14px;letter-spacing:0;position:relative;top:-3px;}

.tre_step ul li:nth-child(1) strong{background:#0686b6;}
.tre_step ul li:nth-child(2) strong{background:#0011bf;}
.tre_step ul li:nth-child(3) strong{background:#ff6c00;}
.tre_step ul li:nth-child(4) strong{background:red;}
.tre_step ul li img{border:5px solid #f1f1f1}

.step_notice{color:#fff;letter-spacing:0;font-weight:500;padding:40px 0;text-align:center;}

@media screen and (max-width:768px){
.step_notice{padding:30px 15px;}
}