*{ margin: 0;padding: 0; box-sizing: border-box; font-size: 16px;font-family:"Microsoft Yahei",Helvetica,Arial,sans-serif;} 
a{ text-decoration: none; color: #666;}
a:hover{text-decoration: underline;}
.msg{text-align: center; border: 1px solid #4FB4DE; width: 50vw;  max-width: 600px; margin: 20vh auto 0;   border-radius: 8px; line-height: 40px; box-shadow: 3px 3px 5px rgba(8, 8, 8, 0.3); }

.header{ background:#4FB4DE; line-height: 40px; height: 40px; color: #fff;}
.error{  padding:10px 0 0;}
.urltz{ color: #666; padding-bottom: 10px;}
.urltz a{ font-size: 14px;}

@media screen and (max-width:999px) {
    .msg{width: 80vw;}
}
@media screen and (max-width:599px) {
    .msg{width: 95vw;}
}
@media screen and (max-width:359px) {
    .msg{width: 98vw;}
    .urltz a{ font-size: 14px;}
}