body{
    background: black;
    margin: 0;
text-align: center;
}
a{
    text-decoration: none;
}
.flex{
    margin-top: 400px;
    width: fit-content;
    margin: auto;
    margin-top: 2%;
    text-align: center;
}
.btn_green{
    color: white;
    display: block;
    margin: auto;
    margin-top: 30px;
    padding: 25px 35px;
    border-radius: 15px;
font-size: 19px;
    background-color: #C3A162;
    cursor: pointer;
    border: none;
    -webkit-box-shadow: 0px 0px 13px 6px rgba(255, 255, 255, 0.2);
-moz-box-shadow: 0px 0px 13px 6px rgba(255, 255, 255, 0.2);
box-shadow: 0px 0px 13px 6px rgba(255, 255, 255, 0.2);
}


#city{
    width: 250px;
    height: 30px;
    border-radius: 5px;
    font-size: 16.5px;
    display: block;
}

#btn_city{
  width: 170px;
  height: 30px;
  background-color: #C3A162;
    cursor: pointer;
    border: none;
    margin-top: 10px;
    -webkit-box-shadow: 0px 0px 13px 6px rgba(255, 255, 255, 0.2);
-moz-box-shadow: 0px 0px 13px 6px rgba(255, 255, 255, 0.2);
box-shadow: 0px 0px 13px 6px rgba(255, 255, 255, 0.2);
border-radius: 2px;
color: white;
padding: 0px !important;
}
.cooperation_information {
    color: white;
    text-align: center;
    max-width: 1320px;
    margin: auto;margin-top: 7%;
}

.logo{
    width: 200px;
    height: 80px;
margin-top: 50px;
}
@media (max-width:1420px) {
    .cooperation_information {
        padding: 30px;
    }
}
#error{
    color: red;
    text-align: center;
}
#success{
    color: green;
    text-align: center;
}