.bottom {
position: absolute;
top: 230px;
/* left: 10px; */
}
.bottom button {
width: 30px;
height: 30px;
cursor: pointer;
border: none;
background: transparent;
/* color: #333;
box-shadow: 0px 1px 10px 2px rgb(10 10 10 / 50%);
padding-left: 10px;
border-radius: 50%;
font-size: 30px;*/
}
.cross {
width: 30px;
height: 30px;
position: relative;
}
.cross::before, .cross::after {
content: ""; /* 伪元素，用来绘制十字架的两条线 */
position: absolute; /* 绝对定位 */
width: 26px;
height: 4px;
background-color: #333; /* 设置为黑色 */
left: 0;
top: 16px;
}
.cross::before {
transform: rotate(90deg); /* 将第一条线旋转45度 */
}
.cross::after {
transform: rotate(-180deg); /* 将第二条线旋转-45度 */
}
.round4,.round5{
border-radius: 50%;
background-color: #333;
position: absolute;
z-index: 1;
}
.round4{
width: 20px;
height: 20px;
top: 8px;
left: 3px;
}
.round5{
width: 8px;
height: 8px;
border: 4px solid #fff;
margin: 2px 0 0 2px;
z-index: 1;
}
<div class="bottom">
<button id="centerPosition">
<!-- <div class="coordinate"></div>
<div class="point"></div> -->
<div class="cross"></div>
<div class="round4">
<div class="round5">
</div>
</div>
</button>
</div>