body {
    background-image: url(arka.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 100vh; 
    margin: 0;
    position: relative;
}



.card {
    background-color: rgba(14, 13, 13, 0.5); 
    border: none;
    border-radius: 5px; 
}

.card-body {
    background-color: transparent; /
}

.navbar {
    background-color: black;
}

.navbar a {
    color: white !important;
}

.btn-custom {
    background-color: rgba(0, 0, 0, 0.8); 
    color: white; 
}

.btn-custom:hover {
    background-color: rgb(122, 122, 122); 
}

.button{
    margin-top: 10px;
}

.aciklama{
    color: white;
    
}

.f{
    background-color: rgba(0, 0, 0, 0.8); 
    color: white;  
    border-color:black;
}

.f:hover {
    background-color: rgb(122, 122, 122);
    border-color:black; 
}
.btn-outline-info:active {
    background-color: rgb(122, 122, 122) !important;
    border-color:black !important; 
    box-shadow: none !important;
    outline: none !important;

}
.btn-outline-info.focus, .btn-outline-info:focus{
    box-shadow: none !important;
}