body{
    background-color: #717171;
}

header{
    width: 100%;
    box-sizing: border-box;
    display: flex;
    padding: 20px 0;
    flex-direction: column;
    background-color: #3e3e3e;
}

.first-line{
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

#info{
    display: flex;
    flex-direction: column;
    margin-left: 20px;
    gap: 5px;
}

#info a{
    font-weight: bold;
    color: #c5c5c5;
}

.user_info{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    font-size: 16px;
}

.version{
    font-size: 12px;
}

#header_button_bar{
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-right: 20px;
}

#header_button_bar button{
    margin-left: 5px;
}

.btn-primary a{
    font-size: large;
    font-weight: bold;
}

.btn-primary{
    height: 35px;
    cursor: pointer;
    color: white;
    background-color: #007bff;
    border: none;
    border-radius: 4px;
    padding-left: 10px;
    padding-right: 10px;
    white-space: nowrap;
}

.btn-primary:hover{
    cursor: pointer;
    background-color: #0056b3;
}

.btn-cansel{
    height: 35px;
    cursor: pointer;
    color: white;
    background-color: #ff002f;
    border: none;
    border-radius: 4px;
    padding-left: 10px;
    padding-right: 10px;
    white-space: nowrap;
}

.btn-cansel:hover{
    cursor: pointer;
    background-color: #af0022;
}

.btn-cansel a{
    font-size: large;
    font-weight: bold;
}

.btn-send{
    height: 35px;
    cursor: pointer;
    color: white;
    background-color: #3d9800;
    border: none;
    border-radius: 4px;
    padding-left: 10px;
    padding-right: 10px;
    white-space: nowrap;
}

.btn-send:hover{
    cursor: pointer;
    background-color: #2d7500;
}

.btn-send a{
    font-size: large;
    font-weight: bold;
}

dialog{
    width: 70%;
    position: fixed;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: whitesmoke;
}

dialog label{
    display: block;
    font-size: 16px;
    margin-bottom: 5px;
}

dialog::backdrop {
    background-color: rgba(0, 0, 0, 0.8);
}

.button-bar-second-line{
    align-items: center;
    justify-content: flex-end;
    margin-top: 10px;
    margin-right: 20px;
}

.button-bar-second-line button{
    margin-left: 5px;
}