* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.container,
.all_tasks,
.quiz-container {
    width: 100%;
    margin: 0 auto;
    padding: 20px;
}

.all_tasks {
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.task-card {
    border: 2px solid #3d8bfd;
    padding: 20px;
    margin: 15px auto;
    border-radius: 8px;
    width: 100%;
    max-width: 800px;
}

.task-title {
    color: #3d8bfd;
    font-size: 24px;
    font-weight: bold;
}

.task-input {
    margin-top: 15px;
}

.task-description {
    margin-top: 20px;
    border-left: 3px solid #9ec5fe;
    padding-left: 15px;
}

.blue-divider {
    height: 2px;
    background-color: #3d8bfd;
    width: 55%;
    margin: 20px 0;
}

@media (max-width: 800px) {
    .task-card {
        margin: 3px;
        width: 95%;
    }

    .blue-divider {
        width: 90%;
    }
}

.container {
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.bar {
    width: 30px;
    margin: 0 5px;
    background-color: #0d6efd;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bar span {
    margin-top: 5px;
    font-size: 12px;
    color: white;
}

#sortBtn {
    display: block;
    margin: 20px auto 0;
}

#quadratic-form label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

#quadratic-form input,
#quadratic-form button {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border-radius: 5px;
}

#quadratic-form input {
    border: 1px solid #ccc;
}

#quadratic-form button {
    border: none;
    font-size: 16px;
    cursor: pointer;
    margin-top: 20px;
}

#result {
    margin-top: 30px;
    font-size: 18px;
    text-align: center;
}