body{
    margin: 0%;
    width: 100vw;
    height: 100vh;
}
#header{
    margin: 0%;
    background-color: #868686;
    height: 12vh;
    width: 100vw;
    text-align: center;
}
button{
    margin-right: 5%;
    margin-top: 5vh;
    width: 10vw;
    height: 4vh;
    border-width: 2px;
    border-style: solid;
    border-color: white;
    border-radius: 4vw;
    background: black;
    color: white;
}
#om_mig{
    margin-left: 20%;
}
#rubrik{
font-size: 8vh;
}
iframe{
    margin: 0%;
    height: 88vh;
    width: 100vw;
}