body {
    background-image: url(images/login.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    height: 100%;
}

.start {
    position: fixed;
    top: 18rem;
    left: 50%;
    margin-left: -50px;
    font-size: rem;
    font-weight: bold;
    color: #fff;
    background-color: red;
    border: 5px double #fff;
    border-radius: 14px;
    padding: 8px 10px;
    outline: none;
    letter-spacing: .05em;
    cursor: pointer;
}

.start a {
    color: white;
    text-decoration: none;
}

.textnama {
    position: fixed;
    display: grid;
    justify-items: center;
    left: 40%;
    top: 50%;
    width: 400px;
    height: 100px;
    text-decoration: none;
    border-radius: 20px;
    font-size: 6em;
}

.textkelas {
    position: fixed;
    display: grid;
    justify-items: center;
    left: 40%;
    top: 83%;
    width: 400px;
    height: 100px;
    text-decoration: none;
    border-radius: 20px;
    font-size: 6em;
}

@media (max-width: 500px) {
    body {
        background-size: contain!important;
        background-repeat: no-repeat;
        background-position: center;
        background-attachment: fixed;
        height: 100%;
        margin-top: 12px;
    }
    .start {
        top: 45em!important;
    }
    .textnama {
        font-size: 1em;
        width: 150px!important;
        height: 20px!important;
        left: 40%;
        /* top: 46%; */
    }
    .textkelas {
        font-size: 1em;
        width: 150px!important;
        height: 20px!important;
        /* top: 59%; */
        left: 40%;
        top: 58%!important;
    }
}
@media (max-width:1024px){
    .start {
        top: 7rem;
    }
    .textnama {
        font-size: 1em;
        width: 350px;
        height: 70px;
        left: 40%;
        /* top: 46%; */
    }
    .textkelas {
        font-size: 1em;
        width: 350px;
        height: 70px;
        left: 40%;
        /* top: 59%; */
        top: 83%;
    }
}