style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

body{
    min-height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main{
    width: 45%;
    height: 65vh;
    border: 1.5px solid black;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}
.main h1{
    margin-top: 1rem;
    color: rgb(255, 51, 0);
    padding: 0.5rem 2rem;
}

.main .box{
    width: 100%;
    height: 86%;
    /* background-color: red; */
    /* margin-top: 0.3rem; */
    text-align: center;
    overflow: hidden;
}

.box .search{
    width: 55%;
    height: 7%;
    display: inline-block;
    /* background-color: rebeccapurple; */
    border: 1px solid rgb(255, 51, 0);
    text-align:end;
    border-radius: 5px;
    overflow: hidden;
}
.search input{
    height: 100%;
    width: 80%;
    border: none;
    outline: none;
}
.search button{
    width: 15%;
    height: 100%;
    border: none;
    background: #1dce6d;
    cursor: pointer;
}
.search button:active{
    transform: scale(0.95);
}

.details{
    height: 100%;
    /* background-color: #1dce6d; */
    display: none;
    border-top: 1.5px solid black;
}

.incomplete,.complete{
    height: 100%;
    /* background: #000; */
    width: 50%;
}
.incomplete{
    border-right: 1.65px solid black;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.complete{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.incomplete .inText{
    width: 100%;
    height: 3rem;
    background-color: rgb(200, 189, 189);
    text-align: center;
    align-content: center;
}
.complete .comText{
    width: 100%;
    height: 3rem;
    background-color: rgb(200, 189, 189);
    text-align: center;
    align-content: center;
}

.task{
    height: 2.5rem;
    width: 95%;
    background-color: #1dce6d;
    margin-top: 1rem;   
    display: flex;
    justify-content: center;
    align-items: center;
    padding-right: 0.5rem;
}
.task p{
    margin-right: 7px;
}
.task .entBtn{
    height: 65%;
    width: 3.5rem;
    cursor: pointer;
    padding: 0px 5px 0 5px;
    font-size: 11px;
    background-color: #e37119;
    position: relative;
    right: 0;
}
.task button:active{
    transform: scale(0.95);
}