.b-choose-color {right:270px; bottom:400px;}
@media only screen and (max-width:800px) {.b-choose-color {right:25%; top:100px;}}
@media only screen and (max-width:480px) {.b-choose-color {right:50px; top:90px;}}
@media only screen and (max-width:320px) {.b-choose-color {top:90px;}}