style.css

html{
    height: 300px;
}
body{
    background-color: #eee;
  }
  
.container{
    width: 500px;
    height: 300px;
    border-radius: 25px;
    box-shadow: 0 20px 40px 0px rgba(0,0,0,0.3)
}

.header {
    height: 20%;
    background-color: #FF9800;
    border-top-left-radius: 25px;
    border-top-right-radius: 25px;
    text-align: center;
    position:relative;
}

#temp, #humidity-div {
    font-family: "Courier New";
    font-weight: bold;
    font-size: 60px;
    color: #fff;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
}

.city-icon-holder {
    position:absolute;
    left: 25%;
    top: 40%;
    -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
    text-align: center;
}

#city-name {
    font-family: "Courier New";
    font-size: 30px;
    font-weight: bold;
    color: #fff;
}

#icon {
    width:50%;  
}

#main{
    width: 100%;
    height: 100%;
    position: relative;
}

.city-icon {
    height: 80%;
    width: 50%;
    border-bottom-left-radius: 25px;
    background-color: #FFC107;
}

.temperature {
    position: absolute;
    left: 50%;
    top:0%;
    height: 40%;
    width: 50%;
    background-color: #9C27B0;
}

.humidity {
    height: 40%;
    width: 50%;
    position:absolute;
    left:50%;
    top:40%;
    border-bottom-right-radius: 25px;
    background-color: #E91E63;
}

#search-btn {
    width: 40px;
    height:40px;
    color: #eee;
}

#search-txt {
    color: red;
    height:30px;
    border-radius: 10px;
    border-style:none;
    outline:none;
    padding-right:1px;
    padding-left:1px;
    text-align:center;
}

.search {
    position: absolute;
    left: 50%;
    top:50%;
    -webkit-transform:translate(-50%,-50%);
            transform:translate(-50%,-50%);
}