* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
    font-family: 'Segoe UI';
}
html,
body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}
.header-menu-row {
    height: 62px;
}
.header-menu-item {
    margin-left: 30px;
    height: 62px;
}
.header-menu-item-button {
    margin-top: 12px;
    width: 200px;
    height: 50px;
    font-size: 24px;
    color: black;
    background-color: #B4D8FA;
    font-weight: 500;
    border-top: 6px solid #14A9A5;
    border-left: 3px solid #14A9A5;
    border-right: 3px solid #14A9A5;
    border-bottom: 5px solid #B4B7FA;
    border-radius: 20px;
    vertical-align: middle;
    text-decoration: none;
    cursor: default;
    white-space: nowrap;
    user-select: none;
    transition: 0.3s ease;
    clip-path: polygon(0% 0%, 100% 0%, 85% 100%, 15% 100%);
}
.header-menu-item-button:hover,
.header-menu-item-button:active,
.header-menu-item-button:focus-visible {
    border-top: 6px solid #F6E6AE;
    border-left: 3px solid #F6E6AE;
    border-right: 3px solid #F6E6AE;
    border-bottom: 5px solid #B4D8FA;
}
.active-header-menu-item-button {
    background-color: #B4D8FA;
    border-top: 6px solid #F6E6AE;
    border-left: 3px solid #F6E6AE;
    border-right: 3px solid #F6E6AE;
    border-bottom: 5px solid #B4D8FA;
}

#lesson-enter-button-field {
    position: absolute;
    vertical-align: top;
    right: 380px;
    top: 10px;
}
.lesson-enter-button {
    position: absolute:
    right: 400px;
    display: inline-block;
    width: 170px;
    height: 40px;
    padding: 2px 8px;
    font-size: 20px;
    color: black;
    background-color: #F6E6AE;
    font-weight: 500;
    border: 3px solid #14A9A5;
    border-radius: 20px;
    text-align: center;
    vertical-align: middle;
    text-decoration: none;
    cursor: default;
    white-space: nowrap;
    user-select: none;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}
.lesson-enter-button:hover,
.lesson-enter-button:focus-visible {
    background-color: #F6E6AE;
    border-color: #14A9A5;
    outline: 0;
    box-shadow: 0 0 0 0.2rem #F6E6AE;
}

.changelog-title {
    margin-top: 25px;
    margin-bottom: 15px;
    font-size: 36px;
    font-family: Georgia;
    font-weight: 600;
    padding-left: 100px;
    padding-top: 40px;
    color: #14A9A5;
}
.changelog-hr {
    width: 300px;
    margin-left: 60px;
}
.changelog-date {
    font-family: Georgia;
    font-size: 36px;
    font-weight: 400;
    padding-left: 100px;
    color: black;
}
.changelog-list {
    padding-left: 120px;
    font-weight: 300;
    font-size: 24px;
    padding-top: 20px;
    color: black;
    list-style-type: none;
}
.changelog-list li {
    position: relative;
    padding-left: 20px;
    margin-top: 5px;
}
.changelog-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #14A9A5;
    font-size: 24px;
}

.not-available {
    padding-left: 100px;
    padding-top: 40px;
    font-weight: 500;
    font-size: 20px;
    color: black;
}

#header,
#header-row {
    vertical-align: top;
    width: 100%;
    height: 62px;
    background: #B4B7FA;
}

#header-logo {
    display: inline-block;
    height: 100%;
    position: relative;
    z-index: 1000;
}
#logo {
    height: 90px;
    width: 90px;
    margin-left: 20px;
    margin-top: 12px;
}
#header-main-menu {
    display: inline-block;
    vertical-align: top;
    height: 100%;
    font-size: 20px;
    font-family: Georgia;
}
#header-main-menu a{
    text-decoration: none;
}

#user-login {
    width: 200px;
    display: inline-block;
    vertical-align: top;
    position: absolute;
    right: 25px;
    top: 10px;
}
.btn-login {
    font-size: 24px;
    width: 220px;
    height: 45px;
    padding-bottom: 5px;
    margin-top: 0px;
    margin-right: 10px;
    background-color: #F6E6AE;
    border: 3px solid #B4D8FA;
    border-radius: 10px;
}
.btn-login:hover {
    background-color: #B4D8FA;
    border-color: #F6E6AE;
}

#header-user {
    width: 350px;
    display: inline-block;
    vertical-align: top;
    position: absolute;
    right: 15px;
    top: 10px;
}
#header-user .row,
#header-user .row #header-user-name {
    height: 100%;
}
#header-user-name {
    padding-top: 10px;
    padding-right: 0px;
    font-size: 18px;
    display: inline-block;
}
#header-user-space {
    height: 100%;
    margin-top: 10px;
}
#user-dropdown-menu {
    background: #B4B7FA;
}
#user-dropdown-menu .dropdown-item:hover {
    background: #B4D8FA;
}

#content {
    max-height: calc(100vh - 122px);
    overflow-y: auto;
    height: calc(100vh - 122px);
    background: #B4D8FA;
}

#footer {
    height: 60px;
	bottom: 0px;
	position: absolute;
	vertical-align: middle;
	background: linear-gradient(#FFFFFF, #F6E6AE);
}
#footer hr {
    height: 6px;
	margin-bottom: 2px;
	margin-top: 2px;
	color: #9862bd;
}
#footer-info {
    height: 50px;
    padding-bottom: 0px;

}
#footer-version,
#footer-copyright {
    padding-top: 10px;
    font-size: 20px;
    font-family: Georgia;
}
#btn-show-contact {
    width: 120px;
    height: 40px;
    font-size: 18px;
    background: #F6E6AE;
    color: black;
    outline: none;
    border: 3px solid #B4B7FA;
    border-radius: 8px;
    transition: background-color 0.15s ease-in-out
}
#btn-show-contact:hover,
#btn-show-contact:focus-visible {
    background: #B4D8FA;
}

.flash-msg-success {
  color: #228B22;
  font-weight: 500;
}

.flash-msg-wrong {
  color: #B22222;
  font-weight: 300;
}

.cleaner-form {
    margin-right: 15px;
    color: #007BFF;
}

.send-form-button {
    color: black;
    background-color: #B4B7FA;
    transition: background-color 0.15s ease-in-out;
}
.send-form-button:hover,
.send-form-button:focus-visible {
    background-color: #F6E6AE;
}

.not-authorized {
    color: #0FA3B1;
    margin-top: 40px;
    margin-left: 100px;
    font-size: 36px;
}
.not-authorized-image {
    width: auto;
    max-height: calc(100vh - 130px - 150px);
    overflow-y: auto;
    margin-top: 20px;
    border: 10px solid #B4B7FA;
    border-radius: 50px;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #B4B7FA;
}

::-webkit-scrollbar-thumb {
    background: #F6E6AE;
}

::-webkit-scrollbar-thumb:hover {
    background: #F6E6AE;
}

.hidden-field {
    display: none;
}

.custom-modal.show {
    backdrop-filter: blur(5px);
}
.custom-modal-body {
    background: #B4D8FA;
}
.disabled-input {
    background-color: #B4CFFA !important;
    color: #6C757D;
    border: 1px solid #B4B7FA;
}

.menu-toggle {
    position: absolute;
    left: 0;
    top: 0;
    height: 60px;
    width: 60px;
    cursor: pointer;
}
.menu-toggle span {
    width: 26px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    line-height: 60px;
    background: #333;
    height: 3px;
    width: 22px;
}
.menu-toggle.active span {
    background: transparent;
}
.menu-toggle span::before {
    background: #333;
    content: '';
    display: block;
    height: 100%;
    position: absolute;
    transition: all .2s ease-out;
    width: 100%;
    top: 8px;
}
.menu-toggle span::after {
    background: #333;
    content: '';
    display: block;
    height: 100%;
    position: absolute;
    transition: all .3s ease-out;
    width: 100%;
    top: -8px;
}
.menu-toggle.active span::before {
    transform: rotate(-45deg);
    top: 0;
}
.menu-toggle.active span::after {
    transform: rotate(45deg);
    top: 0;
}

#header-main-menu-burger-button {
    display: none;
    position: fixed;
    z-index: 1001;
    width: 40px;
    height: 40px;
    top: 20px;
    left: 130px;
    background-color: #B4B7FA;
    border: none;
    border-radius: 10px;
    color: #F6E6AE;
    font-size: 32px;
    font-weight: 600;
    cursor: pointer;
}
#dropdown-main-menu-burger {
    margin: 0;
    padding: 0;
    position: fixed;
    z-index: 1001;
    width: 200px;
    height: 130px;
    top: 62px;
    left: -400px;
    background-color: #B4B7FA;
    border-bottom-right-radius: 10px;
    transition: all .3s ease-out;
}
#dropdown-main-menu-burger li {
    margin: 0;
    padding-left: 0;
}
#dropdown-main-menu-burger li a {
    margin: 0;
    padding-left: 20px;
}
#dropdown-main-menu-burger.active {
    left: 0px;
}
#dropdown-main-menu-burger .dropdown-item {
    width: 100%;
}
#dropdown-main-menu-burger .dropdown-item:hover {
    background: #B4D8FA;
    border-right: solid 1px #B4B7FA;
}

@media (max-width: 1200px) {
    #header-main-menu {
        display: none;
    }

    #header-main-menu-burger-button {
        display: block;
    }
}
@media (max-width: 750px) {
    #lesson-enter-button-field {
        display: none;
    }
}
@media (max-width: 500px) {
    #header-user-name {
        display: none;
    }
}
/*@media (max-width: 1700px) {
    #header-main-menu {
        display: none;
    }

    #header-main-menu-burger-button {
        display: block;
    }
}
@media (max-width: 750px) {
    #lesson-enter-button-field {
        display: none;
    }
}
@media (max-width: 500px) {
    #header-user-name {
        display: none;
    }
}*/