body{
    margin: 0;
    padding: 0;
    
}
a{
    text-decoration: none;
}


.back{
    background-image: url(Main/img/12.jpeg);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position: center;
    width: 100%;
    height: 100vh;
}
.container{
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 600px;
    height: 500px;
    margin:0 0;
    margin: 100px;
    right: -50px;
    top: 50px;
}
.butm{
    display: flex;
    position: relative;
    flex-direction: row;
}
.form {
    display: flex;
    position: relative;
    flex-direction: column;
}

.form-group{
    display: flex;
    margin-bottom:30px;
}

.form-btn {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}
.logo{
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 600px;
    height: 200px;
    height: 100vh;
    margin:0 0;
    right: 0;
    top: -200px;
}
.logo img{
    max-width: 600px;
    height: 200px;
}
@media screen and (max-width: 900px) {
    .back{
        background-image: url(Main/img/back2.jpg);
        background-repeat: no-repeat;
        background-size: 100% 100%;
        background-position: center;
        width: 100%;
        height: 100vh;
    }
    .container{
        position: fixed;
        display: flex;
        align-items: normal;
        justify-content: safe;
        width: 100%;
        margin: 0;
        right: 0;
        left: 0;    
        top: 300px;
    }
    .logo{
        position: fixed;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        margin:0 0;
        right: auto;
        left: auto;
    }
}
@media screen and (max-width: 500px) {
    .back{
        background-image: url(Main/img/back2.jpg);
        background-repeat: no-repeat;
        background-size: 100% 100%;
        background-position: center;
        width: 100%;
        height: 100vh;
    }
    .container{
        position: fixed;
        height: 300px;
        
    }
    .logo{
        position: fixed;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        margin:0 0;
        right: auto;
        left: auto;
    }
    .logo img{
        width: 300px;
        height: 200px;
    }
}