style.css

*,
*:before
*:after {
    padding:0 ;
    margin:0 ;
    box-sizing: border-box;
    width: 100vh;

}
body{
    height: 100vh;
   
   
}
.contain {
    border: 2px solid #ffffffee;
    width: 40%;
    position:absolute;
    transform: translate(-50%,-50%);
    top: 50%;
    left: 50%;
    min-width:450px;
    padding: 30px 40px ;
   
    

}
#taskman{background-color: rgba(255, 255, 255, 0.5);
    position: relative;
    padding: 30px 20px;
    border-radius: 5px;
    box-shadow: 0 15px 30px rgba(0,0,0.3);
    font-family: 'Montserrat', sans-serif  ;
    
    
}
#input{width: 80%;
height: 45px;
border: 1px rgb(70, 70, 70) solid;
padding: 12px;
}
.push{
    height: 45px;
    margin-bottom: 2px;
    margin-left: 15px;
}
#taskman input :focus{
    outline: rgb(212, 39, 39);
    border-color: aquamarine;

}
#tasks {
background-color: rgba(255, 255, 255, 0.5);
padding: 30px 20px;
margin-top: 60px;
border-radius: 5px;
box-shadow:0 15px 30px rgba(0,0,0,0.3);
width:100%;
position: relative;

}
.taskone{
background-color: #ffffffee;
height: 50px;
pad: 5pv 10px;
margin-top: 10px;
display: flex;
justify-content: space-between;
border-bottom:2px solid #d1d3d4 ;
cursor: pointer;
font-family: 'Montserrat', sans-serif;
font-size: 18px;
padding: 5px;


}
#taskname {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    padding: 5px;
    
    
}
.taskone button{
    height: 100%;
}
.completed {
    text-decoration: line-through;
    font-weight: 200;
    font-style: italic;
}
.bg-ligh{
    justify-content: center;
    width: 33%;
    margin-left: 33%;
    background-color: rgba(256, 256, 256,0.45);
}