.razdel {
    display: block;
    width: 462px;
    height: 100%;
    overflow: auto;
    margin: 0 auto
}

.plsh {
    display: block;
    width: 200px;
    height: 50px;
    margin: 15px;
    float: left
}

.plsh>div {
    margin: 0 auto;
    text-align: center;
    vertical-align: middle;
    line-height: 48px
}

.plsh>div a {
    background-color: #08a7f7;
    border: none;
    border-radius: 5px;
    color: #fff;
    text-align: center;
    text-decoration: none;
    display: block;
    cursor: pointer
}

.page-header {
    color: #08086a;
    font-weight: bold;
}

html,
body {
    height: 100%;
}
.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}
.container {
    flex: 1 0 auto;
}
.foot {
    flex: 0 0 auto;
}