@media screen and (max-width:600px){.error404_text{font-size:30px;margin-bottom:45px}.error404_btn{width:250px;height:67px}.error404_btn span{font-size:14px}}@media screen and (max-width:400px){.error404_text{font-size:22px;margin-bottom:35px}.error404_btn{width:230px;height:57px}.error404_btn span{font-size:13px}}