bigScreen/src/assets/style/first.css

.FirstStyle {
    position: relative;
    padding-top: 0;
    width: 100%;
    height: 100vh;
}

.FirstStyle .FirstTitle {
    text-align: center;
    position: absolute;
    z-index: 1;
    width: 100%;
}

.FirstStyle .T {
    padding: .6rem 0 .1rem 0;
}

.FirstStyle .STitle {
    width: 10rem;
    height: 1rem;
    line-height: 1rem;
    font-size: .5rem;
    font-weight: 600;
    margin: 0 auto;
    background-image: url('/src/assets/img/T.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

.FirstStyle .select {
    color: #21fb77;
    background: linear-gradient(180deg, #1bd1e9, #038689);
}

.button {
    background-color: #016565;
    font-size: .3rem;
    display: inline-block;
    height: 100%;
    width: 2rem;
    height: 2em;
    line-height: 1.5em;
    cursor: pointer;
}

.btnGroup {
    vertical-align: middle;
    border: 1px solid #00bff6;
    border-radius: 3px;
    display: inline-block;
    width: 4.05rem;
    overflow: hidden;
    margin-right: 5px;
}

.FirstStyle #map1 {
    position: absolute;
    width: 100vw;
    height: 100vh;
    top: 0
}

.FirstStyle .secTableleft,
.FirstStyle .secTableright {
    top: 15vh;
    z-index: 2;
    left: 30px;
    width: 30vw;
    height: 70vh;
    padding: 1em;
    border-radius: 5px;
    position: absolute;
    background-color: rgba(0, 0, 0, .5);
}

.FirstStyle .secTableleft {
    left: initial;
    right: 30px;
}

.FirstStyle .l7-popup-content{
    color: #000
}