.st
{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 100px;
    background: url("https://static.tildacdn.com/tild6133-3533-4437-a461-333639633532/whatsapp.png") no-repeat;
    background-size: 100%;
    margin:10px;
}

.wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#textbox{
    max-height:100px;
    //overflow:hidden;
    margin-top:-20px;
}
#textbox:before{
    content:"";
    display:block;
    height:100px;
    position:relative;
    top:127px;
    
background: linear-gradient(180deg,hsla(0,0%,100%,0) 0,#fff 100px,#fff);
}
.xpandable-block {
  height: 163px;
  overflow: hidden;
  order: 0;
}
.xpand-button {
  order: 1;
}
input[type="checkbox"] {
 display: none;
}
input[type="checkbox"]:checked + .xpandable-block {
  height: auto;
}
label {
  order: 1;
  color: blue;
  font-size: 18px;
  cursor: pointer;
}

.button-more{
    border: 2px solid #009082;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: #009082;
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    min-height: 45px;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
    padding: 0 35px;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    position: relative;
    
}