body {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

h2{
    font-size: 24px;
}
h1{
    margin: 0 auto;
    padding: 30px 0;
}
.btn {
    background-color: #00695c;
}
#out{
    margin: 30px 0;
    color: #00695c;
}
.chip {
    display: inline-block;
    height: 32px;
    font-size: 14px;
    font-weight: 400;
    color: #00695c;
    line-height: 32px;
    padding: 0px 12px;
    border-radius: 2px;
    background-color: #e4e4e4;
    margin-bottom: 10px;
    margin-right: 10px;
}
.perehid{
    margin-right: 10px;
    font-weight: bold;
}
.page-footer{
    padding-top: 0;

}
.error{
    margin-top: 70px;
}
.error h2{
    color: #00695c;
    font-size: 32px;
}
.error p{
    color: #00695c;
    font-size: 28px;
}