a { color:#555; text-decoration:none;}  
.enter {
    border: 2px solid #555555d6;
    font-weight: bold;
    padding: 10px 20px;
    background-color: #555555d6;
    color: #fff;
    border-radius: 5px;
    font-weight: 500;
    font-family: 'IBM Plex Sans Thai', sans-serif;
}
.enter:hover { color:#fff}    
.mock-box {
    display: block;
    width: 100%;
    height: 98vh;
    left: 0;
    top: 0;
    width:100%;
    margin:0 auto; 
    text-align:center  
} 
.btn-enter {
    margin: 20px auto;
    display: block;
    width: 100px;
}
.pic{ width:100% ; max-width: 770px; margin-top: 50px!important;border: 2px solid #555555d6;}
 @media screen and (max-width:1536px){
          .pic{ width:100% ; max-width: 600px;}
}     
@media screen and (max-width:1366px){
          .pic{ width:100% ; max-width: 470px;}
}
/*@media screen and (max-width:1280px){
.pic{ width:100% ; max-width: 350px;}
}*/