main.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    background-color: #333;
}

.container{
    margin: auto;
    width: 70%;
}
input{
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    background-color: #333;
    border: 1px solid #555;
    border-radius: 5px;
}


.header{
    color: aliceblue;
    text-align: center;
}

.header h1{
    margin: 30px 0 10px 0;
    font-size: 35px;
}

.header p{
    font-size: 22px;
    padding-bottom: 20px;
}

input{
    transition: all .4s;
    background-color: rgb(13, 0, 17);
    border: 0;
    color: aliceblue;
}input:focus{
    outline: transparent;
    transform: scaleX(1.1);
    font-size: 16px;
}

.count{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}.count input{
    flex-grow: 1;
    flex-basis: 100px;
    margin-right: 3px;
}
.count span{
    padding: 5px;
    border-radius: 3px;
    background-color: brown;
    margin-top: 10px;
    margin-left: 2px;
}.count span::before{
    content: "Total: ";
}

.btn{
    margin-top: 13px;
    width: 100%;
    padding: 8px 0;
    border-radius: 50px;
    background-color: brown;
    border: transparent;
    font-weight: 600;
    cursor: pointer;
    transition: all .4s;
}
.btn:hover{
    opacity: .8;
    letter-spacing: 1px;
}
.parentBTN{
    display: flex;
    justify-content: space-around;
}
.search{
    width: 49%;
}



/* Table */

table{
    width: 100%;
    text-align: center;
    color:#f0ffffa9;
    margin-top: 30px;
    border: 1px solid #444 ;
    padding: 7px;
    border-radius: 10px;
    
}
thead{
    text-transform: uppercase;
    font-family:Arial, Helvetica, sans-serif;
    font-size: 13px;
}
tbody{
    
    font-size: 13px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

th{
    padding: 10px 0;
}

#deleteAll{
    margin: 10px 0;
}
.updateAndDelete{
    color: aliceblue;
    padding: 7px 15px;
    margin: 5px 0;
    border-radius: 10px;
    border: transparent;
    cursor: pointer;
    transition: all .4s;
}
.updateAndDelete:hover{
    opacity: .8;
}
.update{
    background-color: #4361ee;
}
.Delete{
    background-color: brown;
}













@media only screen and (max-width: 768px) {
    /* CSS rules */
    .container{
        margin: 0 15px;
        width: auto;
        
    }
  }


  @media only screen and (max-width: 426px) {

    .header h1 {
        font-size: 25px;
    }

    .header p {
        font-size: 18px;
    }

    table {
        
        display: block; 
        width: 100%; 
        border: none;
    }

    thead {
        display: none;
    }

    tbody, tr, td {
        display: block; 
        
    }

    tr {
        border: 1px solid #ddd; 
        margin: 20px 10px; 
    }

    td {
        display: flex;
        justify-content: space-around; 
        padding: 10px 0;
        font-size: 14px;
        border-bottom: 1px solid #ddd; 
    }

    td:last-child {
        border-bottom: none; 
    }
    td:first-child {
        font-weight:bold;
        font-size: 16px;
        text-shadow: #dddddd31 2px 0px 2px ;
        color: brown; 
        border: none;
    }

    td:before {
        text-transform: uppercase;
        content: attr(data-label); 
        font-weight: bold; 
        font-size: 16px;
    }
    
    .dis{
        display: inline-block;
        border-bottom: none;

    }
    .left{
        margin-left: 10px;
    }
}