#notfound {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}
#notfound #wrapper {
    float:none;
    width:80%; 
    margin-left:auto; 
    margin-right:auto; 
    padding-top: 2em;
}
#notfound label {
    padding-bottom: 1em;
}
#notfound .field-name-body p {
    float: none;
    width: 100%;
}
@media screen and (max-width: 1000px) {
    #notfound #wrapper {
        width: 90%;
    }
}
@media screen and (max-width: 800px) {
    #notfound #notfound {
        width: 100%;
    }
    #notfound #wrapper {
        width: 80%;
    }
}
@media screen and (max-width: 600px) {
    #notfound #wrapper {
        width: 100%;
    }
}