html {
    width: 1150px;
    margin: auto;
    scrollbar-gutter: stable;
    font-family: 'CALIBRI';
}
body {
    -webkit-user-select: none; /* Safari */
    -ms-user-select: none; /* IE 10-11 */
    -moz-user-select: none; /* Firefox */
    user-select: none; /* Современные браузеры */
}
a {
    text-decoration: none;
    color: #000;
}
a:visited {
    color: #000;
}
a:active {
    color: #000;
}
h1 {
    font-size: 17px;
    font-weight: normal;
}
h2 {
    font-size: 15px;
    font-weight: normal;
}
h3 {
    font-size: 12px;
    font-weight: normal;
}
.a {
    width: 1150px;
    height: 50px;
}
.a1 {
    width: 200px;
    height: 40px;
    margin-right: 3px;
    float: left;
    text-align: center;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
    background-color: rgb(239, 242, 243);
}
.a2 {
    width: 130px;
    height: 40px;
    float: right;
    margin-left:3px;
    text-align: center;
    border-radius: 5px;
    background-color: rgb(239, 242, 243);
    transition: all 1s;
}
.a2:hover {
    background-color: rgb(255, 255, 255);
}
.b {
    width: 1150px;
    height: 50px;
}
.c {
    width: 1150px;
    height: 3px;
    background-color: rgb(239, 242, 243);
}
.d {
    width: 1100px;
    height: 70px;
    margin: auto;
}
.d1 {
    width: fit-content;
    height: fit-content;
    border-radius: 5px;
    padding: 5px;
    margin-top: 10px;
    float: left;
}
.d1:hover {
    background-color: rgb(239, 242, 243);
}
.d2 {
    width: fit-content;
    height: fit-content;
    float: left;
    margin-top: 15px;
}
.g {
    width: 800px;
    height: 600px;
    margin-top: 20px;
    margin-left: 170px;
    padding: 5px;
}
.f {
    width: 1150px;
    height: 300px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    background-color: rgb(239, 242, 243);
}
.f1 {
    width: 190px;
    height: 250px;
    float: left;
    margin-top: 20px;
    margin-left: 28px;
    padding: 5px;
}
.f2 {
    width: 190px;
    height: 250px;
    float: left;
    margin-top: 20px;
    margin-left: 28px;
    padding: 5px;
    text-align: center;
}
.f3 {
    width: 160px;
    height: 230px;
    float: right;
    display: flex;
    flex-direction: column;
    margin-top: 15px;
    margin-right: 28px;
    border-radius: 5px;
    border: 15px double  rgb(239, 242, 243);
    background-color: rgb(255, 255, 255);
}
.f4 img {
    width: 140px;
    height: 140px;
    margin-top: 10px;
    margin-left: 10px;
}
.f5 {
    width: 160px;
    height: 30px;
    margin-top: 15px;
    text-align: center;
}