main {
    padding: 10px;
    background-color: #ecf0f5;
    color: #222d32;
    min-height: calc(100vh - 100px);
}

main .main-header {
    display: flex;
    background-color: #222d32;
    color: #ecf0f5;
    margin-bottom: 20px;
    border-radius: 5px;
}

main .main-header .main-title {
    padding-left: 10px;
    height: 50px;
    overflow: hidden;
}

main .main-header .back-btn {
    margin-left: auto;
    line-height: 50px;
    margin-right: 10px;
}

main h1 {
    font-size: 1.1rem;
    font-weight: bold;
    line-height: 50px;
}

main .main-body .sub-title {
    display: flex;
    background-color: #555858;
    color: #ecf0f5;
    margin-bottom: 10px;
    border-radius: 5px;
    padding-left: 10px;
    height: 35px;
    overflow: hidden;
}

main .main-body .sub-title h2 {
    font-size: 1.1rem;
    font-weight: bold;
    line-height: 35px;
}

main .main-body .sub-sub-title {
    display: flex;
    background-color: #909797;
    color: #000000;
    margin-bottom: 10px;
    border-radius: 5px;
    padding-left: 10px;
    height: 25px;
    overflow: hidden;
}

main .main-body .sub-sub-title h3 {
    font-size: 1rem;
    font-weight: bold;
    line-height: 25px;
}

@media (max-width: 768px) {
    main {
        min-height: calc(100vh - 150px);
    }

    main h1 {
        font-size: 1rem;
    }
}