.kaika_header {
    display: inline-block;
}
.kaika_space {
    display: inline-block;
}
.kaika {
    background: -moz-linear-gradient(left, #fad0c4, #ff9a9e 15%, #ff9a9e 60%, #fad0c4);
    background: -webkit-linear-gradient(left, #fad0c4, #ff9a9e 15%, #ff9a9e 60%, #fad0c4);
    background: linear-gradient(to right, #fad0c4, #ff9a9e 15%, #ff9a9e 60%, #fad0c4);
    border-radius: 15px;
    display: inline-block;
}