style.css

.a{
    width: 200px;
    height: 100px;
}
*{
    font-family: 'Courier New', Courier, monospace;
}
html{
    min-height: 100%;
    }
    
    
    
    body{
    min-height: 100%;
    background-color: #2d3436;
    background-image: linear-gradient(315deg, #2DC1E4 0%, #E8ECC7 74%);
    text-align: center;
    }
    
    
    
    .slider{
    -webkit-appearance: none;
    width: 70%;
    height: 10px;
    background: #2DC1E4;
    border-radius: 15px;
    opacity: 1;
    -webkit-transition: .2s;
    transition: opacity .2s;
    margin-left: 40px;
    margin-top: 25px;
    margin-bottom: 20px;
    }
    
    .slider:hover{
    opacity: 0.5;
    }
    
    .slider::-webkit-slider-thumb{
    -webkit-appearance: none;
    width: 15px;
    height: 15px;
    background: #000000;
    border-radius: 50%;
    cursor: pointer;
    }
    
    .action-btn{
    background-color: #000;
    border: 0;
    color: white;
    font-size: 15px;
    cursor: pointer;
    padding: 10px;
    margin: 10px  20px;
    border-radius: 15px;
    opacity: 1;
    transition: opacity .2s;
    }
    
    
    
    .action-btn:hover{
    opacity: 0.5;
    }
    
    
    
    .wrapper{
    display: flex;
    background-color: rgb(253, 253, 252);
    flex-direction: column;
    width: 30%;
    margin-top: 10%;
    margin-left: 35%;
    border-radius: 15px;
    font-family: fantasy;
    padding-bottom: 1%;
    }
    
    .slider_main{
    display: flex;
    flex-direction: row;
    }
    
    output{
    margin-top: 20px;
    margin-left: 10px;
    }
    
    
    
    .wrapper_main
    {
    display: flex;
    background-color: rgb(253, 253, 252);
    flex-direction: row;
    width: 22%;
    margin-top: 5%;
    margin-left: 38%;
    border-radius: 15px;
    font-family: Georgia, serif;
    padding-left: 45px;
    }
    
    
    
    .clipboard{
    margin-left: auto;
    margin-right: 2%;
    cursor: pointer;
    border: 0;
    background-color: white;
    color:black;
    border-radius: 15px;
    font-size: 23px;
    opacity: 1;
    transition: opacity .2s;
    }
    
    
    
    .clipboard:hover{
    opacity: 0.5;
    }