.signal_list {
    margin-top: 15px;
    min-height:40px;
}

.signal_list ul {
    display: flex;
    flex-wrap: wrap;
}

.signal_list a {
    padding: 8px 15px;
    color: #ff7000;
    border: 1px solid #ff7000;
    box-sizing: border-box;
    margin-right: 15px;
    text-align: center;
    font-size: 14px;
    border-radius: 100px;
    margin-bottom: 15px;
    display: inline-block;
}