@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}
body{
    background: #0cb0e2;
}
.uygulama{
    background: #FFF;
    width: 100%;
    max-width: 650px;
    margin: 80px auto 0;
    border-radius: 15px;
    padding: 30px;
}
.uygulama h1{
    font-size: 24px;
    font-weight: 600;
    color: #0cb0e2;
    border-bottom: 1px solid #333232;
    padding-bottom: 30px;
}
.test{
    padding: 15px 0;
}
.test h2{
    font-size: 20px;
    color: #0cb0e2;
    font-weight: 600;
    padding-bottom: 25px;
}
.btn{
    background: #FFF;
    color: #1f1e1e;
    font-weight: 600;
    width: 100%;
    border: 1px solid #1f1e1e;
    padding: 8px;
    margin: 8px 0;
    text-align: left;
    border-radius: 6px;
    transition: all .3s;
    cursor: pointer;
    font-size: 18px;
}
.btn:hover:not([disabled]){
    background: #1f1e1e;
    color: #FFF;
}
.btn:disabled{
    cursor: no-drop;
}
#ileri{
    background: #0cb0e2;
    color: #FFF;
    font-size: 20px;
    font-weight: 400;
    width: 175px;
    border: none;
    padding: 8px;
    margin: 15px auto 0;
    border-radius: 6px;
    display: none;
    cursor: pointer;
}
.dogru{
    background: #50f841;
}
.yanlis{
    background: #f05d5d;
}