* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -o-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0; 
}
*::after,
*::before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -o-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}

.mframe{
    position: absolute;
    width: 100%;
    height: 100%;
    background:white;
}

.mcontent{
    text-align: center;
    width:70%;
    background: rgb(231, 252, 255);
    margin: 2em auto;
    height: 80%;
    box-shadow: 4px 4px 20px 0px rgba(34, 60, 80, .5);
}
.cmessage{
    background: rgb(101, 180, 190);
    font-size: 2em;
    padding: .5em;
    color:white;
}