test-demo/css/index.css

input,
button {
    /* line-height: 20px; */
    font-size: 13px;
    padding: 3px 5px
}

body {
    height: 100vh;
    background: #ccc;
}

.container {
    padding: 30px 30px;
    width: 1000px;
    margin: 0 auto;
    /* border: 1px solid pink; */
    background: #fff
    /* height: 400px; */
    /* background: pink */
}

.filter-item {
    display: inline-block;
    margin-right: 20px;
    margin-bottom: 20px;
}

.filter-item span {
    width: 92px;
    display: inline-block;
    text-align: right;
}

.connect-sec input {
    width: 120px;
}

.openWebsocket {
    cursor: pointer
}

.param-sec input {
    width: 280px;
}

.xunJian-sec input {
    width: 140px;
}

.button-sec button {
    margin-right: 30px;
    cursor: pointer
}

.data-view {
    box-sizing: border-box;
    padding: 20px;
    margin-top: 30px;
    width: 100%;
    height: calc(100vh - 340px);
    border: 1px solid #000;
    overflow-y: auto;
}

.send-request {
    margin-bottom: 40px
}

.send-time,
.receive-time,
.receive-request {
    margin-bottom: 10px;
}