html,
body {
    height: 100%;
    width: 100%;
    padding: 0!important;
    margin: unset;
}
 

 
/* main {
    margin: unset !important;
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    
    justify-content: center;
    background: rgb(0, 0, 0);
    background: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, rgba(47, 47, 47, 0) 37%, rgba(47, 47, 47, 0) 61%, rgba(0, 0, 0, 0) 100%);
} */
 
#app-title {
    margin: 5rem 12rem;
    text-align: center;
    
    font-size: 5rem;
    color: rgb(0, 0, 0);
    
}
 
#form-holder {
    min-height: 20vh;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}
 
#main-box {
    padding: 0.5em 1em;
    border-radius: 0.5em;
    width: 59vw;
    min-height: 20vh;
    background-color: white;
    box-shadow: 0px 5px 24px #d6ecff;
}
 
 
/* forms */
 
.form-item {
    padding: 0.5em 2em;
}
 
.form-item label {
    margin-bottom: .5em;
}
 
.form-item>* {
    display: block;
    width: 100%;
}
 
input.input-item {
    padding: 0.5em 0.3em;
    border: 1px solid;
    border-radius: 0.3rem;
    border-color: #4444442e;
}
 
.text-right {
    text-align: right;
}
 
.text-center {
    text-align: center;
}
 
form {
    margin-bottom: 2rem;
}
 
.btn-block {
    width: 100%;
    padding: .5rem;
    border-radius: .3rem;
    margin-bottom: .5rem;
}
 
button#calculate-btn {
    background-color: #1166a3;
    font-weight: 700;
    color: #fff;
}
 
.btn-block {
    cursor: pointer;
    width: 100%;
    padding: 0.5rem;
    border-radius: 0.3rem;
    margin-bottom: 0.5rem;
    border: unset;
    transition: all ease-in .1s;
}
 
.btn-block:active {
    transform: scale(.95)
}
 
#reset-btn {
    display: none;
    ;
}
 
#result {
    border-collapse: collapse;
    width: 100%;
    display: none;
}
 
#result th,
#result tr,
#result td {
    border: 1px solid;
    border-color: #4444442e;
    padding: .3rem .5rem;
}
 
 
/* forms */
 
 
/* Custom Spinner */
 
div#loader-holder {
    position: absolute;
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    backdrop-filter: brightness(0.5);
    z-index: 33;
}
 
#loader-holder * {
    color: #fff
}
 
.loader-spinner {
    display: inline-block;
    width: 80px;
    height: 80px;
}
 
.loader-spinner:after {
    content: " ";
    display: block;
    width: 64px;
    height: 64px;
    margin: 8px;
    border-radius: 50%;
    border: 6px solid #fff;
    border-color: #fff transparent #fff transparent;
    animation: loader-spinner 1.2s linear infinite;
}
 
@keyframes loader-spinner {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}