.wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
}
header,
footer {
    height: 200px;
    background-color: #666;
}
.content {
    background-color: #ccc;
    flex: 1;
}
.columns {
    display: flex;
    height: 100%;
}
main {
    flex: 1;
    background-color: #ccc;
    order: 2;
    display: flex;
    justify-content: center;
    align-items: center;
}
.block-form {
    width: 300px;
    height: 200px;
}
aside {
    width: 20%;
    background-color: #999;
}
.sidebar-first {
    order: 1;
}
.sidebar-second {
    order: 3;
}
.block-logo,
.block-form,
.block-contact-info {
    background-color: red;
    color: white;
    padding: 20px;
}
header {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
}
.block-logo {
    width: 75px;
    height: 75px;
    margin: 25px;
}
footer {
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
}
.block-contact-info {
    width: 150px;
    height: 50px;
    margin: 25px;
}