.button-parent:hover #open{
    background-color: #375A7F;
}

.button-parent:hover #save{
    background-color: #00BC8C;
}

.button-parent:hover #default{
    background-color: darkgray;
}

.button-parent:hover #randomizeBtn{
    background-color: #E74C3C;
}

.button-parent:hover #optionsBtn{
    background-color: #3498DB;
}

#new-main{
    display: block;
}

#old-main{
    display: none;
}

.container{
    height: 100%;
}

#main-section{
    display: none;
    width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border: 2px solid black;
    margin-bottom: 20px;
}

.active{
    display: block !important;
}

.buttons{
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}

.button-parent{
    width: 85px;
}

.button-parent button{
    width: 85px;
}

table{
    width: 100%;
    border-collapse: collapse;
}

table td{
    width: 25%;
}

table tr:not(:last-child){
    border-bottom: 2px solid black;
}

table tr{
    line-height: 3;
}

td input[type=file]{
    border: none;
}